152181412 has 12 divisors (see below), whose sum is σ = 280334320. Its totient is φ = 72085896.

The previous prime is 152181401. The next prime is 152181479. The reversal of 152181412 is 214181251.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001118 + ... + 1001269.

Almost surely, 2^152181412 is an apocalyptic number.

It is an amenable number.

152181412 is a deficient number, since it is larger than the sum of its proper divisors (128152908).

152181412 is a wasteful number, since it uses less digits than its factorization.

152181412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002410 (or 2002408 counting only the distinct ones).

The product of its digits is 640, while the sum is 25.

The square root of 152181412 is about 12336.1830401466. The cubic root of 152181412 is about 533.8925611586.

The spelling of 152181412 in words is "one hundred fifty-two million, one hundred eighty-one thousand, four hundred twelve".