149752456 has 32 divisors (see below), whose sum is σ = 339776640. Its totient is φ = 60403968.

The previous prime is 149752453. The next prime is 149752469. The reversal of 149752456 is 654257941.

149752456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149752453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77700 + ... + 79603.

It is an arithmetic number, because the mean of its divisors is an integer number (10618020).

Almost surely, 2^149752456 is an apocalyptic number.

It is an amenable number.

149752456 is an abundant number, since it is smaller than the sum of its proper divisors (190024184).

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

149752456 is a wasteful number, since it uses less digits than its factorization.

149752456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157333 (or 157329 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 149752456 is about 12237.3385995485. The cubic root of 149752456 is about 531.0368406007.

The spelling of 149752456 in words is "one hundred forty-nine million, seven hundred fifty-two thousand, four hundred fifty-six".