149194930 has 16 divisors (see below), whose sum is σ = 272560320. Its totient is φ = 58786992.

The previous prime is 149194849. The next prime is 149194943. The reversal of 149194930 is 39491941.

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, 110670 + ... + 112009.

It is an arithmetic number, because the mean of its divisors is an integer number (17035020).

Almost surely, 2^149194930 is an apocalyptic number.

149194930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149194930 is a deficient number, since it is larger than the sum of its proper divisors (123365390).

149194930 is a wasteful number, since it uses less digits than its factorization.

149194930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222753.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 149194930 is about 12214.5376498662. The cubic root of 149194930 is about 530.3770071825.

The spelling of 149194930 in words is "one hundred forty-nine million, one hundred ninety-four thousand, nine hundred thirty".