149447122 has 32 divisors (see below), whose sum is σ = 262932480. Its totient is φ = 62977680.

The previous prime is 149447117. The next prime is 149447147. The reversal of 149447122 is 221744941.

It is a happy number.

149447122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15843 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (8216640).

Almost surely, 2^149447122 is an apocalyptic number.

149447122 is a deficient number, since it is larger than the sum of its proper divisors (113485358).

149447122 is a wasteful number, since it uses less digits than its factorization.

149447122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686.

The product of its digits is 16128, while the sum is 34.

The square root of 149447122 is about 12224.8567271768. The cubic root of 149447122 is about 530.6756802976.

The spelling of 149447122 in words is "one hundred forty-nine million, four hundred forty-seven thousand, one hundred twenty-two".