151552320 has 56 divisors (see below), whose sum is σ = 481181664. Its totient is φ = 40413696.

The previous prime is 151552301. The next prime is 151552337. The reversal of 151552320 is 23255151.

It is a happy number.

151552320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×151552320³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77974 + ... + 79893.

Almost surely, 2^151552320 is an apocalyptic number.

151552320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151552320 is an abundant number, since it is smaller than the sum of its proper divisors (329629344).

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

151552320 is a wasteful number, since it uses less digits than its factorization.

151552320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157887 (or 157877 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 151552320 is about 12310.6587963439. The cubic root of 151552320 is about 533.1558715133.

It can be divided in two parts, 1515 and 52320, that added together give a palindrome (53835).

The spelling of 151552320 in words is "one hundred fifty-one million, five hundred fifty-two thousand, three hundred twenty".