145133875 has 32 divisors (see below), whose sum is σ = 194425920. Its totient is φ = 107827200.

The previous prime is 145133867. The next prime is 145133899. The reversal of 145133875 is 578331541.

It is not a de Polignac number, because 145133875 - 2³ = 145133867 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, 125299 + ... + 126451.

It is an arithmetic number, because the mean of its divisors is an integer number (6075810).

Almost surely, 2^145133875 is an apocalyptic number.

145133875 is a deficient number, since it is larger than the sum of its proper divisors (49292045).

145133875 is a wasteful number, since it uses less digits than its factorization.

145133875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1230 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 145133875 is about 12047.1521531024. The cubic root of 145133875 is about 525.5204212110.

The spelling of 145133875 in words is "one hundred forty-five million, one hundred thirty-three thousand, eight hundred seventy-five".