149711312 has 20 divisors (see below), whose sum is σ = 290370180. Its totient is φ = 74777088.

The previous prime is 149711291. The next prime is 149711321. The reversal of 149711312 is 213117941.

It can be written as a sum of positive squares in 2 ways, for example, as 103144336 + 46566976 = 10156^2 + 6824^2 .

It is a super-2 number, since 2×149711312² = 44826953881522688, which contains 22 as substring.

It is a congruent number.

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, 12728 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (14518509).

Almost surely, 2^149711312 is an apocalyptic number.

It is an amenable number.

149711312 is a deficient number, since it is larger than the sum of its proper divisors (140658868).

149711312 is a wasteful number, since it uses less digits than its factorization.

149711312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830 (or 9824 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 149711312 is about 12235.6573995842. The cubic root of 149711312 is about 530.9882025981.

The spelling of 149711312 in words is "one hundred forty-nine million, seven hundred eleven thousand, three hundred twelve".