152501440 has 112 divisors (see below), whose sum is σ = 447031872. Its totient is φ = 48254976.

The previous prime is 152501387. The next prime is 152501497. The reversal of 152501440 is 44105251.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26502 + ... + 31738.

It is an arithmetic number, because the mean of its divisors is an integer number (3991356).

Almost surely, 2^152501440 is an apocalyptic number.

152501440 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 152501440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223515936).

152501440 is an abundant number, since it is smaller than the sum of its proper divisors (294530432).

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

152501440 is a wasteful number, since it uses less digits than its factorization.

152501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5264 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 152501440 is about 12349.1473389866. The cubic root of 152501440 is about 534.2665466897.

Adding to 152501440 its reverse (44105251), we get a palindrome (196606691).

The spelling of 152501440 in words is "one hundred fifty-two million, five hundred one thousand, four hundred forty".