149471724 has 24 divisors (see below), whose sum is σ = 352029888. Its totient is φ = 49357840.

The previous prime is 149471723. The next prime is 149471731. The reversal of 149471724 is 427174941.

It is not an unprimeable number, because it can be changed into a prime (149471723) 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 7 ways as a sum of consecutive naturals, for example, 56922 + ... + 59489.

It is an arithmetic number, because the mean of its divisors is an integer number (14667912).

Almost surely, 2^149471724 is an apocalyptic number.

It is an amenable number.

149471724 is an abundant number, since it is smaller than the sum of its proper divisors (202558164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149471724 is a wasteful number, since it uses less digits than its factorization.

149471724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116525 (or 116523 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 149471724 is about 12225.8629143304. The cubic root of 149471724 is about 530.7047986608.

The spelling of 149471724 in words is "one hundred forty-nine million, four hundred seventy-one thousand, seven hundred twenty-four".