151978864 has 40 divisors (see below), whose sum is σ = 306408960. Its totient is φ = 72945600.

The previous prime is 151978831. The next prime is 151978873. The reversal of 151978864 is 468879151.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 63807 + ... + 66145.

It is an arithmetic number, because the mean of its divisors is an integer number (7660224).

Almost surely, 2^151978864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151978864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153204480).

151978864 is an abundant number, since it is smaller than the sum of its proper divisors (154430096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151978864 is a wasteful number, since it uses less digits than its factorization.

151978864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 2503 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 151978864 is about 12327.9707981484. The cubic root of 151978864 is about 533.6555920463.

The spelling of 151978864 in words is "one hundred fifty-one million, nine hundred seventy-eight thousand, eight hundred sixty-four".