151878720 has 224 divisors, whose sum is σ = 559173888. Its totient is φ = 34209792.

The previous prime is 151878691. The next prime is 151878737. The reversal of 151878720 is 27878151.

It is a tau number, because it is divible by the number of its divisors (224).

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 31 ways as a sum of consecutive naturals, for example, 651724 + ... + 651956.

It is an arithmetic number, because the mean of its divisors is an integer number (2496312).

Almost surely, 2^151878720 is an apocalyptic number.

151878720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279586944).

151878720 is an abundant number, since it is smaller than the sum of its proper divisors (407295168).

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

151878720 is a wasteful number, since it uses less digits than its factorization.

151878720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 151878720 is about 12323.9084709357. The cubic root of 151878720 is about 533.5383517344.

The spelling of 151878720 in words is "one hundred fifty-one million, eight hundred seventy-eight thousand, seven hundred twenty".