151972315 has 8 divisors (see below), whose sum is σ = 198945648. Its totient is φ = 110525280.

The previous prime is 151972313. The next prime is 151972351. The reversal of 151972315 is 513279151.

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

It is not a de Polignac number, because 151972315 - 2¹ = 151972313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151972313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381512 + ... + 1381621.

It is an arithmetic number, because the mean of its divisors is an integer number (24868206).

Almost surely, 2^151972315 is an apocalyptic number.

151972315 is a deficient number, since it is larger than the sum of its proper divisors (46973333).

151972315 is a wasteful number, since it uses less digits than its factorization.

151972315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763149.

The product of its digits is 9450, while the sum is 34.

The square root of 151972315 is about 12327.7051797973. The cubic root of 151972315 is about 533.6479265930.

The spelling of 151972315 in words is "one hundred fifty-one million, nine hundred seventy-two thousand, three hundred fifteen".