149422730 has 16 divisors (see below), whose sum is σ = 272976480. Its totient is φ = 58876752.

The previous prime is 149422717. The next prime is 149422747. The reversal of 149422730 is 37224941.

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, 110840 + ... + 112179.

It is an arithmetic number, because the mean of its divisors is an integer number (17061030).

Almost surely, 2^149422730 is an apocalyptic number.

149422730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149422730 is a deficient number, since it is larger than the sum of its proper divisors (123553750).

149422730 is a wasteful number, since it uses less digits than its factorization.

149422730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223093.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 149422730 is about 12223.8590469622. The cubic root of 149422730 is about 530.6468073305.

The spelling of 149422730 in words is "one hundred forty-nine million, four hundred twenty-two thousand, seven hundred thirty".