151552240 has 80 divisors (see below), whose sum is σ = 404563392. Its totient is φ = 51720192.

The previous prime is 151552223. The next prime is 151552279. The reversal of 151552240 is 42255151.

It is a tau number, because it is divible by the number of its divisors (80).

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, 154632 + ... + 155608.

Almost surely, 2^151552240 is an apocalyptic number.

151552240 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 151552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202281696).

151552240 is an abundant number, since it is smaller than the sum of its proper divisors (253011152).

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

151552240 is a wasteful number, since it uses less digits than its factorization.

151552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 151552240 is about 12310.6555471266. The cubic root of 151552240 is about 533.1557777009.

The spelling of 151552240 in words is "one hundred fifty-one million, five hundred fifty-two thousand, two hundred forty".