149764456 has 16 divisors (see below), whose sum is σ = 288398340. Its totient is φ = 72858240.

The previous prime is 149764451. The next prime is 149764469. The reversal of 149764456 is 654467941.

149764456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142420356 + 7344100 = 11934^2 + 2710^2 .

It is not an unprimeable number, because it can be changed into a prime (149764451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252685 + ... + 253276.

Almost surely, 2^149764456 is an apocalyptic number.

It is an amenable number.

149764456 is a deficient number, since it is larger than the sum of its proper divisors (138633884).

149764456 is a wasteful number, since it uses less digits than its factorization.

149764456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506004 (or 506000 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 149764456 is about 12237.8288924139. The cubic root of 149764456 is about 531.0510246127.

The spelling of 149764456 in words is "one hundred forty-nine million, seven hundred sixty-four thousand, four hundred fifty-six".