151305625 has 20 divisors (see below), whose sum is σ = 190892020. Its totient is φ = 119880000.

The previous prime is 151305613. The next prime is 151305647. The reversal of 151305625 is 526503151.

It can be written as a sum of positive squares in 10 ways, for example, as 89415936 + 61889689 = 9456^2 + 7867^2 .

It is not a de Polignac number, because 151305625 - 2¹⁷ = 151174553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151305593 and 151305602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67015 + ... + 69235.

It is an arithmetic number, because the mean of its divisors is an integer number (9544601).

Almost surely, 2^151305625 is an apocalyptic number.

It is an amenable number.

151305625 is a deficient number, since it is larger than the sum of its proper divisors (39586395).

151305625 is an equidigital number, since it uses as much as digits as its factorization.

151305625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 151305625 is about 12300.6351462028. The cubic root of 151305625 is about 532.8664262175.

Adding to 151305625 its reverse (526503151), we get a palindrome (677808776).

The spelling of 151305625 in words is "one hundred fifty-one million, three hundred five thousand, six hundred twenty-five".