152111440 has 160 divisors (see below), whose sum is σ = 403724160. Its totient is φ = 52918272.

The previous prime is 152111371. The next prime is 152111459. The reversal of 152111440 is 44111251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2270287 + ... + 2270353.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^152111440 is an apocalyptic number.

152111440 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 152111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201862080).

152111440 is an abundant number, since it is smaller than the sum of its proper divisors (251612720).

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

152111440 is a wasteful number, since it uses less digits than its factorization.

152111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 152111440 is about 12333.3466666595. The cubic root of 152111440 is about 533.8107218659.

Adding to 152111440 its reverse (44111251), we get a palindrome (196222691).

The spelling of 152111440 in words is "one hundred fifty-two million, one hundred eleven thousand, four hundred forty".