151564240 has 40 divisors (see below), whose sum is σ = 353905920. Its totient is φ = 60364416.

The previous prime is 151564223. The next prime is 151564267. The reversal of 151564240 is 42465151.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 151564199 and 151564208.

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, 15157 + ... + 23083.

It is an arithmetic number, because the mean of its divisors is an integer number (8847648).

Almost surely, 2^151564240 is an apocalyptic number.

151564240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151564240 is an abundant number, since it is smaller than the sum of its proper divisors (202341680).

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

151564240 is a wasteful number, since it uses less digits than its factorization.

151564240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179 (or 8173 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 151564240 is about 12311.1429201354. The cubic root of 151564240 is about 533.1698491974.

The spelling of 151564240 in words is "one hundred fifty-one million, five hundred sixty-four thousand, two hundred forty".