151215970 has 16 divisors (see below), whose sum is σ = 272895480. Its totient is φ = 60329344.

The previous prime is 151215959. The next prime is 151215971. The reversal of 151215970 is 79512151.

It can be written as a sum of positive squares in 4 ways, for example, as 141919569 + 9296401 = 11913^2 + 3049^2 .

It is not an unprimeable number, because it can be changed into a prime (151215971) 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, 15547 + ... + 23326.

Almost surely, 2^151215970 is an apocalyptic number.

151215970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151215970 is a deficient number, since it is larger than the sum of its proper divisors (121679510).

151215970 is a wasteful number, since it uses less digits than its factorization.

151215970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39269.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 151215970 is about 12296.9902821788. The cubic root of 151215970 is about 532.7611567700.

The spelling of 151215970 in words is "one hundred fifty-one million, two hundred fifteen thousand, nine hundred seventy".