149747712 has 48 divisors (see below), whose sum is σ = 399246120. Its totient is φ = 49913856.

The previous prime is 149747711. The next prime is 149747743. The reversal of 149747712 is 217747941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149747711) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6043 + ... + 18330.

Almost surely, 2^149747712 is an apocalyptic number.

149747712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149747712 is an abundant number, since it is smaller than the sum of its proper divisors (249498408).

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

149747712 is an equidigital number, since it uses as much as digits as its factorization.

149747712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398 (or 24378 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 149747712 is about 12237.1447650177. The cubic root of 149747712 is about 531.0312329790.

The spelling of 149747712 in words is "one hundred forty-nine million, seven hundred forty-seven thousand, seven hundred twelve".