149722568 has 16 divisors (see below), whose sum is σ = 281216880. Its totient is φ = 74731408.

The previous prime is 149722567. The next prime is 149722577. The reversal of 149722568 is 865227941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (149722567) by changing a digit.

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, 11246 + ... + 20637.

It is an arithmetic number, because the mean of its divisors is an integer number (17576055).

Almost surely, 2^149722568 is an apocalyptic number.

It is an amenable number.

149722568 is a deficient number, since it is larger than the sum of its proper divisors (131494312).

149722568 is a wasteful number, since it uses less digits than its factorization.

149722568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32476 (or 32472 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 149722568 is about 12236.1173580511. The cubic root of 149722568 is about 531.0015096608.

The spelling of 149722568 in words is "one hundred forty-nine million, seven hundred twenty-two thousand, five hundred sixty-eight".