149747424 has 48 divisors (see below), whose sum is σ = 416214288. Its totient is φ = 46979072.

The previous prime is 149747413. The next prime is 149747443. The reversal of 149747424 is 424747941.

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

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44247 + ... + 47510.

It is an arithmetic number, because the mean of its divisors is an integer number (8671131).

Almost surely, 2^149747424 is an apocalyptic number.

It is an amenable number.

149747424 is an abundant number, since it is smaller than the sum of its proper divisors (266466864).

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

149747424 is a wasteful number, since it uses less digits than its factorization.

149747424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91787 (or 91779 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 149747424 is about 12237.1329975612. The cubic root of 149747424 is about 531.0308925462.

The spelling of 149747424 in words is "one hundred forty-nine million, seven hundred forty-seven thousand, four hundred twenty-four".