151401625 has 16 divisors (see below), whose sum is σ = 189296640. Its totient is φ = 120898800.

The previous prime is 151401623. The next prime is 151401629. The reversal of 151401625 is 526104151.

It is a happy number.

It is not a de Polignac number, because 151401625 - 2¹ = 151401623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 151401625.

It is not an unprimeable number, because it can be changed into a prime (151401623) 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 15 ways as a sum of consecutive naturals, for example, 117736 + ... + 119014.

It is an arithmetic number, because the mean of its divisors is an integer number (11831040).

Almost surely, 2^151401625 is an apocalyptic number.

It is an amenable number.

151401625 is a deficient number, since it is larger than the sum of its proper divisors (37895015).

151401625 is an equidigital number, since it uses as much as digits as its factorization.

151401625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 151401625 is about 12304.5367649497. The cubic root of 151401625 is about 532.9790996267.

Adding to 151401625 its reverse (526104151), we get a palindrome (677505776).

The spelling of 151401625 in words is "one hundred fifty-one million, four hundred one thousand, six hundred twenty-five".