146859425 has 12 divisors (see below), whose sum is σ = 182605500. Its totient is φ = 117165120.

The previous prime is 146859421. The next prime is 146859457. The reversal of 146859425 is 524958641.

It can be written as a sum of positive squares in 6 ways, for example, as 26584336 + 120275089 = 5156^2 + 10967^2 .

It is not a de Polignac number, because 146859425 - 2² = 146859421 is a prime.

It is a super-2 number, since 2×146859425² = 43135381422661250, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (146859421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1451 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (15217125).

Almost surely, 2^146859425 is an apocalyptic number.

It is an amenable number.

146859425 is a deficient number, since it is larger than the sum of its proper divisors (35746075).

146859425 is a wasteful number, since it uses less digits than its factorization.

146859425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132 (or 16127 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 146859425 is about 12118.5570510684. The cubic root of 146859425 is about 527.5949231331.

The spelling of 146859425 in words is "one hundred forty-six million, eight hundred fifty-nine thousand, four hundred twenty-five".