152978625 has 80 divisors (see below), whose sum is σ = 295598160. Its totient is φ = 78624000.

The previous prime is 152978611. The next prime is 152978647. The reversal of 152978625 is 526879251.

152978625 is a `hidden beast` number, since 15 + 2 + 9 + 7 + 8 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 64016001 + 88962624 = 8001^2 + 9432^2 .

It is not a de Polignac number, because 152978625 - 2⁵ = 152978593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 293365 + ... + 293885.

It is an arithmetic number, because the mean of its divisors is an integer number (3694977).

Almost surely, 2^152978625 is an apocalyptic number.

152978625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152978625 is a deficient number, since it is larger than the sum of its proper divisors (142619535).

152978625 is an equidigital number, since it uses as much as digits as its factorization.

152978625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 558 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 152978625 is about 12368.4528135091. The cubic root of 152978625 is about 534.8232158209.

The spelling of 152978625 in words is "one hundred fifty-two million, nine hundred seventy-eight thousand, six hundred twenty-five".