145725875 has 16 divisors (see below), whose sum is σ = 182335296. Its totient is φ = 116280000.

The previous prime is 145725859. The next prime is 145725883. The reversal of 145725875 is 578527541.

It is not a de Polignac number, because 145725875 - 2⁴ = 145725859 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55850 + ... + 58400.

It is an arithmetic number, because the mean of its divisors is an integer number (11395956).

Almost surely, 2^145725875 is an apocalyptic number.

145725875 is a deficient number, since it is larger than the sum of its proper divisors (36609421).

145725875 is an equidigital number, since it uses as much as digits as its factorization.

145725875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3013 counting only the distinct ones).

The product of its digits is 392000, while the sum is 44.

The square root of 145725875 is about 12071.6972708895. The cubic root of 145725875 is about 526.2339831845.

The spelling of 145725875 in words is "one hundred forty-five million, seven hundred twenty-five thousand, eight hundred seventy-five".