149657754 has 16 divisors (see below), whose sum is σ = 299822400. Its totient is φ = 49801440.

The previous prime is 149657731. The next prime is 149657773. The reversal of 149657754 is 457756941.

149657754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17227 + ... + 24414.

It is an arithmetic number, because the mean of its divisors is an integer number (18738900).

Almost surely, 2^149657754 is an apocalyptic number.

149657754 is an abundant number, since it is smaller than the sum of its proper divisors (150164646).

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

149657754 is a wasteful number, since it uses less digits than its factorization.

149657754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42245.

The product of its digits is 1058400, while the sum is 48.

The square root of 149657754 is about 12233.4686005237. The cubic root of 149657754 is about 530.9248761474.

The spelling of 149657754 in words is "one hundred forty-nine million, six hundred fifty-seven thousand, seven hundred fifty-four".