145965885 has 32 divisors (see below), whose sum is σ = 264754560. Its totient is φ = 68076288.

The previous prime is 145965877. The next prime is 145965929. The reversal of 145965885 is 588569541.

145965885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145965885 - 2³ = 145965877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15994 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (8273580).

Almost surely, 2^145965885 is an apocalyptic number.

145965885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145965885 is a deficient number, since it is larger than the sum of its proper divisors (118788675).

145965885 is a wasteful number, since it uses less digits than its factorization.

145965885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39437.

The product of its digits is 1728000, while the sum is 51.

The square root of 145965885 is about 12081.6342023751. The cubic root of 145965885 is about 526.5227265582.

The spelling of 145965885 in words is "one hundred forty-five million, nine hundred sixty-five thousand, eight hundred eighty-five".