149271922 has 16 divisors (see below), whose sum is σ = 227208960. Its totient is φ = 73539648.

The previous prime is 149271907. The next prime is 149271929. The reversal of 149271922 is 229172941.

It is not an unprimeable number, because it can be changed into a prime (149271929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152298 + ... + 153274.

It is an arithmetic number, because the mean of its divisors is an integer number (14200560).

Almost surely, 2^149271922 is an apocalyptic number.

149271922 is a deficient number, since it is larger than the sum of its proper divisors (77937038).

149271922 is an equidigital number, since it uses as much as digits as its factorization.

149271922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its digits is 18144, while the sum is 37.

The square root of 149271922 is about 12217.6888976598. The cubic root of 149271922 is about 530.4682251265.

The spelling of 149271922 in words is "one hundred forty-nine million, two hundred seventy-one thousand, nine hundred twenty-two".