149157708 has 24 divisors (see below), whose sum is σ = 397754112. Its totient is φ = 42616464.

The previous prime is 149157707. The next prime is 149157721. The reversal of 149157708 is 807751941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 149157708.

It is not an unprimeable number, because it can be changed into a prime (149157707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887760 + ... + 887927.

It is an arithmetic number, because the mean of its divisors is an integer number (16573088).

Almost surely, 2^149157708 is an apocalyptic number.

It is an amenable number.

149157708 is an abundant number, since it is smaller than the sum of its proper divisors (248596404).

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

149157708 is a wasteful number, since it uses less digits than its factorization.

149157708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775701 (or 1775699 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 149157708 is about 12213.0138786460. The cubic root of 149157708 is about 530.3328963562.

The spelling of 149157708 in words is "one hundred forty-nine million, one hundred fifty-seven thousand, seven hundred eight".