151216542 has 12 divisors (see below), whose sum is σ = 327635880. Its totient is φ = 50405508.

The previous prime is 151216529. The next prime is 151216553. The reversal of 151216542 is 245612151.

151216542 is a `hidden beast` number, since 1 + 5 + 1 + 2 + 1 + 654 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4200442 + ... + 4200477.

It is an arithmetic number, because the mean of its divisors is an integer number (27302990).

Almost surely, 2^151216542 is an apocalyptic number.

151216542 is an abundant number, since it is smaller than the sum of its proper divisors (176419338).

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

151216542 is a wasteful number, since it uses less digits than its factorization.

151216542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400927 (or 8400924 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 151216542 is about 12297.0135398803. The cubic root of 151216542 is about 532.7618285223.

Adding to 151216542 its reverse (245612151), we get a palindrome (396828693).

The spelling of 151216542 in words is "one hundred fifty-one million, two hundred sixteen thousand, five hundred forty-two".