149720628 has 24 divisors (see below), whose sum is σ = 349745760. Its totient is φ = 49850080.

The previous prime is 149720609. The next prime is 149720633. The reversal of 149720628 is 826027941.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (14572740).

Almost surely, 2^149720628 is an apocalyptic number.

It is an amenable number.

149720628 is an abundant number, since it is smaller than the sum of its proper divisors (200025132).

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

149720628 is a wasteful number, since it uses less digits than its factorization.

149720628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207 (or 14205 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 149720628 is about 12236.0380842820. The cubic root of 149720628 is about 530.9992162025. Note that the first 3 decimals are identical.

The spelling of 149720628 in words is "one hundred forty-nine million, seven hundred twenty thousand, six hundred twenty-eight".