146831625 has 24 divisors (see below), whose sum is σ = 264690504. Its totient is φ = 78309600.

The previous prime is 146831623. The next prime is 146831681. The reversal of 146831625 is 526138641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 143928009 = 1704^2 + 11997^2 .

It is not a de Polignac number, because 146831625 - 2¹ = 146831623 is a prime.

It is a super-2 number, since 2×146831625² = 43119052200281250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146831625.

It is not an unprimeable number, because it can be changed into a prime (146831623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64134 + ... + 66383.

It is an arithmetic number, because the mean of its divisors is an integer number (11028771).

Almost surely, 2^146831625 is an apocalyptic number.

146831625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146831625 is a deficient number, since it is larger than the sum of its proper divisors (117858879).

146831625 is a wasteful number, since it uses less digits than its factorization.

146831625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130538 (or 130525 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 146831625 is about 12117.4099955395. The cubic root of 146831625 is about 527.5616303784.

It can be divided in two parts, 146831 and 625, that added together give a square (147456 = 384²).

The spelling of 146831625 in words is "one hundred forty-six million, eight hundred thirty-one thousand, six hundred twenty-five".