149974632 has 32 divisors (see below), whose sum is σ = 416596800. Its totient is φ = 49991472.

The previous prime is 149974529. The next prime is 149974633. The reversal of 149974632 is 236479941.

It is a happy number.

149974632 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 7 + 4 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (149974633) 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, 346948 + ... + 347379.

It is an arithmetic number, because the mean of its divisors is an integer number (13018650).

Almost surely, 2^149974632 is an apocalyptic number.

149974632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149974632 is an abundant number, since it is smaller than the sum of its proper divisors (266622168).

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

149974632 is a wasteful number, since it uses less digits than its factorization.

149974632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694342 (or 694332 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 149974632 is about 12246.4130258619. The cubic root of 149974632 is about 531.2993300997.

The spelling of 149974632 in words is "one hundred forty-nine million, nine hundred seventy-four thousand, six hundred thirty-two".