149365009922 has 6 divisors (see below), whose sum is σ = 224048334729. Its totient is φ = 74682231680.

The previous prime is 149365009903. The next prime is 149365009931. The reversal of 149365009922 is 229900563941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83150912881 + 66214097041 = 288359^2 + 257321^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=273281.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 409922 + ... + 683202.

Almost surely, 2^149365009922 is an apocalyptic number.

149365009922 is a deficient number, since it is larger than the sum of its proper divisors (74683324807).

149365009922 is an frugal number, since it uses more digits than its factorization.

149365009922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546564 (or 273283 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

Multiplying 149365009922 by its sum of digits (50), we get a square (7468250496100 = 2732810²).

The spelling of 149365009922 in words is "one hundred forty-nine billion, three hundred sixty-five million, nine thousand, nine hundred twenty-two".