149790724 has 6 divisors (see below), whose sum is σ = 262133774. Its totient is φ = 74895360.

The previous prime is 149790679. The next prime is 149790727. The reversal of 149790724 is 427097941.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 32285124 = 10840^2 + 5682^2 .

It is not an unprimeable number, because it can be changed into a prime (149790727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18723837 + ... + 18723844.

Almost surely, 2^149790724 is an apocalyptic number.

It is an amenable number.

149790724 is a deficient number, since it is larger than the sum of its proper divisors (112343050).

149790724 is a wasteful number, since it uses less digits than its factorization.

149790724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37447685 (or 37447683 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 149790724 is about 12238.9020749412. The cubic root of 149790724 is about 531.0820707706.

The spelling of 149790724 in words is "one hundred forty-nine million, seven hundred ninety thousand, seven hundred twenty-four".