149254568 has 16 divisors (see below), whose sum is σ = 282624660. Its totient is φ = 73888000.

The previous prime is 149254541. The next prime is 149254571. The reversal of 149254568 is 865452941.

It can be written as a sum of positive squares in 2 ways, for example, as 110292004 + 38962564 = 10502^2 + 6242^2 .

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 3 ways as a sum of consecutive naturals, for example, 91553 + ... + 93168.

Almost surely, 2^149254568 is an apocalyptic number.

It is an amenable number.

149254568 is a deficient number, since it is larger than the sum of its proper divisors (133370092).

149254568 is a wasteful number, since it uses less digits than its factorization.

149254568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184828 (or 184824 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 149254568 is about 12216.9786772344. The cubic root of 149254568 is about 530.4476673367.

The spelling of 149254568 in words is "one hundred forty-nine million, two hundred fifty-four thousand, five hundred sixty-eight".