149772922 has 8 divisors (see below), whose sum is σ = 241940916. Its totient is φ = 69125952.

The previous prime is 149772911. The next prime is 149772949. The reversal of 149772922 is 229277941.

It can be written as a sum of positive squares in 2 ways, for example, as 149597361 + 175561 = 12231^2 + 419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880223 + ... + 2880274.

Almost surely, 2^149772922 is an apocalyptic number.

149772922 is a deficient number, since it is larger than the sum of its proper divisors (92167994).

149772922 is a wasteful number, since it uses less digits than its factorization.

149772922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760512.

The product of its digits is 127008, while the sum is 43.

The square root of 149772922 is about 12238.1747822132. The cubic root of 149772922 is about 531.0610309773.

The spelling of 149772922 in words is "one hundred forty-nine million, seven hundred seventy-two thousand, nine hundred twenty-two".