149972412 has 24 divisors (see below), whose sum is σ = 350254800. Its totient is φ = 49945216.

The previous prime is 149972411. The next prime is 149972423. The reversal of 149972412 is 214279941.

149972412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149972412² = 44983448722195488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149972411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9664 + ... + 19832.

It is an arithmetic number, because the mean of its divisors is an integer number (14593950).

Almost surely, 2^149972412 is an apocalyptic number.

149972412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149972412 is an abundant number, since it is smaller than the sum of its proper divisors (200282388).

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

149972412 is a wasteful number, since it uses less digits than its factorization.

149972412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 149972412 is about 12246.3223867413. The cubic root of 149972412 is about 531.2967085668.

The spelling of 149972412 in words is "one hundred forty-nine million, nine hundred seventy-two thousand, four hundred twelve".