149980568 has 8 divisors (see below), whose sum is σ = 281213580. Its totient is φ = 74990280.

The previous prime is 149980553. The next prime is 149980591. The reversal of 149980568 is 865089941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9373778 + ... + 9373793.

Almost surely, 2^149980568 is an apocalyptic number.

It is an amenable number.

149980568 is a deficient number, since it is larger than the sum of its proper divisors (131233012).

149980568 is a wasteful number, since it uses less digits than its factorization.

149980568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18747577 (or 18747573 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 149980568 is about 12246.6553801436. The cubic root of 149980568 is about 531.3063396212.

The spelling of 149980568 in words is "one hundred forty-nine million, nine hundred eighty thousand, five hundred sixty-eight".