151216142 has 32 divisors (see below), whose sum is σ = 286689024. Its totient is φ = 58104000.

The previous prime is 151216141. The next prime is 151216147. The reversal of 151216142 is 241612151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151216141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (8959032).

Almost surely, 2^151216142 is an apocalyptic number.

151216142 is a deficient number, since it is larger than the sum of its proper divisors (135472882).

151216142 is a wasteful number, since it uses less digits than its factorization.

151216142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544.

The product of its digits is 480, while the sum is 23.

The square root of 151216142 is about 12296.9972757580. The cubic root of 151216142 is about 532.7613587656.

Adding to 151216142 its reverse (241612151), we get a palindrome (392828293).

The spelling of 151216142 in words is "one hundred fifty-one million, two hundred sixteen thousand, one hundred forty-two".