149923208 has 16 divisors (see below), whose sum is σ = 282276060. Its totient is φ = 74649600.

The previous prime is 149923201. The next prime is 149923229. The reversal of 149923208 is 802329941.

149923208 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 149866564 + 56644 = 12242^2 + 238^2 .

It is a super-2 number, since 2×149923208² = 44953936594022528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149923201) 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, 36953 + ... + 40808.

Almost surely, 2^149923208 is an apocalyptic number.

It is an amenable number.

149923208 is a deficient number, since it is larger than the sum of its proper divisors (132352852).

149923208 is a wasteful number, since it uses less digits than its factorization.

149923208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78008 (or 78004 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 149923208 is about 12244.3132923002. The cubic root of 149923208 is about 531.2385983620.

The spelling of 149923208 in words is "one hundred forty-nine million, nine hundred twenty-three thousand, two hundred eight".