151902720 has 240 divisors, whose sum is σ = 555366240. Its totient is φ = 38264832.

The previous prime is 151902713. The next prime is 151902721. The reversal of 151902720 is 27209151.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (151902721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437587 + ... + 437933.

It is an arithmetic number, because the mean of its divisors is an integer number (2314026).

Almost surely, 2^151902720 is an apocalyptic number.

151902720 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 151902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277683120).

151902720 is an abundant number, since it is smaller than the sum of its proper divisors (403463520).

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

151902720 is a wasteful number, since it uses less digits than its factorization.

151902720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 151902720 is about 12324.8821495380. The cubic root of 151902720 is about 533.5664536437.

The spelling of 151902720 in words is "one hundred fifty-one million, nine hundred two thousand, seven hundred twenty".