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145459369 = 1128147059
BaseRepresentation
bin10001010101110…
…00100010101001
3101010201002202001
420222320202221
5244214144434
622233411001
73414245536
oct1052704251
9333632661
10145459369
1175120860
1240869a61
132419c243
1415465d8d
15cb84114
hex8ab88a9

145459369 has 8 divisors (see below), whose sum is σ = 159251040. Its totient is φ = 131762400.

The previous prime is 145459351. The next prime is 145459373. The reversal of 145459369 is 963954541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145459369 - 217 = 145328297 is a prime.

It is a super-2 number, since 2×1454593692 = 42316856059756322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145459399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20439 + ... + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (19906380).

Almost surely, 2145459369 is an apocalyptic number.

It is an amenable number.

145459369 is a deficient number, since it is larger than the sum of its proper divisors (13791671).

145459369 is a wasteful number, since it uses less digits than its factorization.

145459369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47351.

The product of its digits is 583200, while the sum is 46.

The square root of 145459369 is about 12060.6537550831. The cubic root of 145459369 is about 525.9129921576.

The spelling of 145459369 in words is "one hundred forty-five million, four hundred fifty-nine thousand, three hundred sixty-nine".

Divisors: 1 11 281 3091 47059 517649 13223579 145459369