145265757 has 32 divisors (see below), whose sum is σ = 239151360. Its totient is φ = 76377600.

The previous prime is 145265749. The next prime is 145265759. The reversal of 145265757 is 757562541.

It is a happy number.

It is not a de Polignac number, because 145265757 - 2³ = 145265749 is a prime.

It is a super-2 number, since 2×145265757² = 42204280313566098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145265759) 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, 111007 + ... + 112307.

It is an arithmetic number, because the mean of its divisors is an integer number (7473480).

Almost surely, 2^145265757 is an apocalyptic number.

It is an amenable number.

145265757 is a deficient number, since it is larger than the sum of its proper divisors (93885603).

145265757 is a wasteful number, since it uses less digits than its factorization.

145265757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733.

The product of its digits is 294000, while the sum is 42.

The square root of 145265757 is about 12052.6244859781. The cubic root of 145265757 is about 525.6795517654.

The spelling of 145265757 in words is "one hundred forty-five million, two hundred sixty-five thousand, seven hundred fifty-seven".