265190145 has 32 divisors (see below), whose sum is σ = 467489664. Its totient is φ = 127296000.

The previous prime is 265190141. The next prime is 265190147. The reversal of 265190145 is 541091562.

It is not a de Polignac number, because 265190145 - 2² = 265190141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (265190141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8709 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (14609052).

Almost surely, 2^265190145 is an apocalyptic number.

It is an amenable number.

265190145 is a deficient number, since it is larger than the sum of its proper divisors (202299519).

265190145 is a wasteful number, since it uses less digits than its factorization.

265190145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 265190145 is about 16284.6598060874. The cubic root of 265190145 is about 642.4694187224.

The spelling of 265190145 in words is "two hundred sixty-five million, one hundred ninety thousand, one hundred forty-five".