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145314212525 = 5274314875261
BaseRepresentation
bin1000011101010101100…
…1101110101010101101
3111220002012022211212022
42013111121232222231
54340100414300100
6150431215515525
713333010266166
oct2072531565255
9456065284768
10145314212525
115669a0a2719
12241b5528ba5
131091a856751
14706732276d
153ba7542e85
hex21d566eaad

145314212525 has 24 divisors (see below), whose sum is σ = 180587798784. Its totient is φ = 115994782400.

The previous prime is 145314212521. The next prime is 145314212539. The reversal of 145314212525 is 525212413541.

It is not a de Polignac number, because 145314212525 - 22 = 145314212521 is a prime.

It is a super-2 number, since 2×1453142125252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145314212521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27618395 + ... + 27623655.

It is an arithmetic number, because the mean of its divisors is an integer number (7524491616).

Almost surely, 2145314212525 is an apocalyptic number.

It is an amenable number.

145314212525 is a deficient number, since it is larger than the sum of its proper divisors (35273586259).

145314212525 is a wasteful number, since it uses less digits than its factorization.

145314212525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501 (or 7496 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 145314212525 in words is "one hundred forty-five billion, three hundred fourteen million, two hundred twelve thousand, five hundred twenty-five".

Divisors: 1 5 25 743 1487 3715 5261 7435 18575 26305 37175 131525 1104841 3908923 5524205 7823107 19544615 27621025 39115535 97723075 195577675 5812568501 29062842505 145314212525