149543712 has 96 divisors (see below), whose sum is σ = 442330560. Its totient is φ = 49144320.

The previous prime is 149543711. The next prime is 149543729. The reversal of 149543712 is 217345941.

149543712 is a `hidden beast` number, since 1 + 49 + 543 + 71 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149543711) 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 15 ways as a sum of consecutive naturals, for example, 61887 + ... + 64257.

It is an arithmetic number, because the mean of its divisors is an integer number (4607610).

Almost surely, 2^149543712 is an apocalyptic number.

149543712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149543712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221165280).

149543712 is an abundant number, since it is smaller than the sum of its proper divisors (292786848).

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

149543712 is a wasteful number, since it uses less digits than its factorization.

149543712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2449 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 149543712 is about 12228.8066466029. The cubic root of 149543712 is about 530.7899836585.

The spelling of 149543712 in words is "one hundred forty-nine million, five hundred forty-three thousand, seven hundred twelve".