149474342322 has 18 divisors (see below), whose sum is σ = 323864629023. Its totient is φ = 49824234012.

The previous prime is 149474342299. The next prime is 149474342351. The reversal of 149474342322 is 223243474941.

149474342322 is a `hidden beast` number, since 149 + 47 + 43 + 423 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74737171161 + 74737171161 = 273381^2 + 273381^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=273381.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1594723 + ... + 1685849.

Almost surely, 2^149474342322 is an apocalyptic number.

149474342322 is an abundant number, since it is smaller than the sum of its proper divisors (174390286701).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149474342322 is an frugal number, since it uses more digits than its factorization.

149474342322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182262 (or 91132 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 149474342322 in words is "one hundred forty-nine billion, four hundred seventy-four million, three hundred forty-two thousand, three hundred twenty-two".