145865232 has 40 divisors (see below), whose sum is σ = 418688480. Its totient is φ = 48621600.

The previous prime is 145865221. The next prime is 145865243. The reversal of 145865232 is 232568541.

It is an interprime number because it is at equal distance from previous prime (145865221) and next prime (145865243).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168394 + ... + 169257.

It is an arithmetic number, because the mean of its divisors is an integer number (10467212).

Almost surely, 2^145865232 is an apocalyptic number.

145865232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145865232 is an abundant number, since it is smaller than the sum of its proper divisors (272823248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145865232 is a wasteful number, since it uses less digits than its factorization.

145865232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337668 (or 337656 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 145865232 is about 12077.4679465524. The cubic root of 145865232 is about 526.4016748067.

The spelling of 145865232 in words is "one hundred forty-five million, eight hundred sixty-five thousand, two hundred thirty-two".