151593240 has 64 divisors (see below), whose sum is σ = 458148960. Its totient is φ = 40125440.

The previous prime is 151593227. The next prime is 151593269. The reversal of 151593240 is 42395151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 151593198 and 151593207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11830 + ... + 21050.

Almost surely, 2^151593240 is an apocalyptic number.

151593240 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 151593240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229074480).

151593240 is an abundant number, since it is smaller than the sum of its proper divisors (306555720).

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

151593240 is a wasteful number, since it uses less digits than its factorization.

151593240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372 (or 9368 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 151593240 is about 12312.3206585924. The cubic root of 151593240 is about 533.2038522481.

The spelling of 151593240 in words is "one hundred fifty-one million, five hundred ninety-three thousand, two hundred forty".