149651722 has 32 divisors (see below), whose sum is σ = 252237888. Its totient is φ = 66000000.

The previous prime is 149651699. The next prime is 149651737. The reversal of 149651722 is 227156941.

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 15 ways as a sum of consecutive naturals, for example, 226072 + ... + 226732.

It is an arithmetic number, because the mean of its divisors is an integer number (7882434).

Almost surely, 2^149651722 is an apocalyptic number.

149651722 is a deficient number, since it is larger than the sum of its proper divisors (102586166).

149651722 is a wasteful number, since it uses less digits than its factorization.

149651722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its digits is 30240, while the sum is 37.

The square root of 149651722 is about 12233.2220612560. Note that the first 3 decimals coincide. The cubic root of 149651722 is about 530.9177430235.

The spelling of 149651722 in words is "one hundred forty-nine million, six hundred fifty-one thousand, seven hundred twenty-two".