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145269011 = 2514491289
BaseRepresentation
bin10001010100010…
…10000100010011
3101010100102121202
420222022010103
5244142102021
622225341415
73412523546
oct1052120423
9333312552
10145269011
1175000838
124079786b
13241336c4
141541685d
15cb47a0b
hex8a8a113

145269011 has 8 divisors (see below), whose sum is σ = 146286000. Its totient is φ = 144256000.

The previous prime is 145269001. The next prime is 145269013. The reversal of 145269011 is 110962541.

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

It is a cyclic number.

It is not a de Polignac number, because 145269011 - 218 = 145006867 is a prime.

It is a super-2 number, since 2×1452690112 = 42206171113836242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145269013) 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, 112055 + ... + 113343.

It is an arithmetic number, because the mean of its divisors is an integer number (18285750).

Almost surely, 2145269011 is an apocalyptic number.

145269011 is a deficient number, since it is larger than the sum of its proper divisors (1016989).

145269011 is a wasteful number, since it uses less digits than its factorization.

145269011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 145269011 is about 12052.7594765680. The cubic root of 145269011 is about 525.6834768668.

The spelling of 145269011 in words is "one hundred forty-five million, two hundred sixty-nine thousand, eleven".

Divisors: 1 251 449 1289 112699 323539 578761 145269011