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145057863736009 = 72487235332
BaseRepresentation
bin100000111110110111101010…
…011100001001101011001001
3201000121101200221012000111001
4200332313222130021223021
5123003112001104023014
61232302355044135001
742361041042504100
oct4076675234115311
9630541627160431
10145057863736009
1142246770479034
1214329229097461
1362c2b89787ac3
1427b6ba391b037
1511b844bb33974
hex83edea709ac9

145057863736009 has 27 divisors (see below), whose sum is σ = 169135855202727. Its totient is φ = 124044882830064.

The previous prime is 145057863736003. The next prime is 145057863736057. The reversal of 145057863736009 is 900637368750541.

The square root of 145057863736009 is 12043997.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118630326980025 + 26427536755984 = 10891755^2 + 5140772^2 .

It is not a de Polignac number, because 145057863736009 - 27 = 145057863735881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145057863736003) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41057984007 + ... + 41057987539.

Almost surely, 2145057863736009 is an apocalyptic number.

145057863736009 is the 12043997-th square number.

145057863736009 is the 6021999-th centered octagonal number.

It is an amenable number.

145057863736009 is a deficient number, since it is larger than the sum of its proper divisors (24077991466718).

145057863736009 is an frugal number, since it uses more digits than its factorization.

145057863736009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 64.

The spelling of 145057863736009 in words is "one hundred forty-five trillion, fifty-seven billion, eight hundred sixty-three million, seven hundred thirty-six thousand, nine".

Divisors: 1 7 49 487 3409 3533 23863 24731 173117 237169 1660183 1720571 11621281 12043997 12482089 84307979 87374623 611622361 837918077 5865426539 6078777343 41057985773 42551441401 297860089807 2960364566041 20722551962287 145057863736009