149956562 has 18 divisors (see below), whose sum is σ = 261870597. Its totient is φ = 64215144.

The previous prime is 149956559. The next prime is 149956603. The reversal of 149956562 is 265659941.

It can be written as a sum of positive squares in 2 ways, for example, as 139452481 + 10504081 = 11809^2 + 3241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8659.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120608 + ... + 121844.

Almost surely, 2^149956562 is an apocalyptic number.

149956562 is a deficient number, since it is larger than the sum of its proper divisors (111914035).

149956562 is an frugal number, since it uses more digits than its factorization.

149956562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 1246 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 149956562 is about 12245.6752365886. The cubic root of 149956562 is about 531.2779910142.

Multiplying 149956562 by its product of digits (583200), we get a square (87454666958400 = 9351720²).

The spelling of 149956562 in words is "one hundred forty-nine million, nine hundred fifty-six thousand, five hundred sixty-two".