149630690 has 16 divisors (see below), whose sum is σ = 293820480. Its totient is φ = 54411120.

The previous prime is 149630683. The next prime is 149630711. The reversal of 149630690 is 96036941.

It is a super-2 number, since 2×149630690² = 44778686779752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680030 + ... + 680249.

It is an arithmetic number, because the mean of its divisors is an integer number (18363780).

Almost surely, 2^149630690 is an apocalyptic number.

149630690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149630690 is a deficient number, since it is larger than the sum of its proper divisors (144189790).

149630690 is a wasteful number, since it uses less digits than its factorization.

149630690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360297.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 149630690 is about 12232.3624047034. The cubic root of 149630690 is about 530.8928701945.

The spelling of 149630690 in words is "one hundred forty-nine million, six hundred thirty thousand, six hundred ninety".