149708828 has 24 divisors (see below), whose sum is σ = 276442320. Its totient is φ = 70744320.

The previous prime is 149708813. The next prime is 149708831. The reversal of 149708828 is 828807941.

It is a super-2 number, since 2×149708828² = 44825466362267168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32900 + ... + 37172.

It is an arithmetic number, because the mean of its divisors is an integer number (11518430).

Almost surely, 2^149708828 is an apocalyptic number.

It is an amenable number.

149708828 is a deficient number, since it is larger than the sum of its proper divisors (126733492).

149708828 is a wasteful number, since it uses less digits than its factorization.

149708828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 149708828 is about 12235.5558925616. Note that the first 3 decimals coincide. The cubic root of 149708828 is about 530.9852658750.

The spelling of 149708828 in words is "one hundred forty-nine million, seven hundred eight thousand, eight hundred twenty-eight".