149720308 has 6 divisors (see below), whose sum is σ = 262010546. Its totient is φ = 74860152.

The previous prime is 149720287. The next prime is 149720321. The reversal of 149720308 is 803027941.

149720308 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 only one way, i.e., 118113424 + 31606884 = 10868^2 + 5622^2 .

It is a super-2 number, since 2×149720308² = 44832341255229728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18715035 + ... + 18715042.

Almost surely, 2^149720308 is an apocalyptic number.

It is an amenable number.

149720308 is a deficient number, since it is larger than the sum of its proper divisors (112290238).

149720308 is a wasteful number, since it uses less digits than its factorization.

149720308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37430081 (or 37430079 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 149720308 is about 12236.0250081470. The cubic root of 149720308 is about 530.9988378982.

The spelling of 149720308 in words is "one hundred forty-nine million, seven hundred twenty thousand, three hundred eight".