151630251 has 8 divisors (see below), whose sum is σ = 202285200. Its totient is φ = 101031072.

The previous prime is 151630247. The next prime is 151630267. The reversal of 151630251 is 152036151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151630251 - 2² = 151630247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151630291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7120 + ... + 18813.

It is an arithmetic number, because the mean of its divisors is an integer number (25285650).

Almost surely, 2^151630251 is an apocalyptic number.

151630251 is a deficient number, since it is larger than the sum of its proper divisors (50654949).

151630251 is a wasteful number, since it uses less digits than its factorization.

151630251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27885.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 151630251 is about 12313.8235735291. The cubic root of 151630251 is about 533.2472420500.

The spelling of 151630251 in words is "one hundred fifty-one million, six hundred thirty thousand, two hundred fifty-one".