42151514 has 16 divisors (see below), whose sum is σ = 64738752. Its totient is φ = 20577888.

The previous prime is 42151511. The next prime is 42151523. The reversal of 42151514 is 41515124.

It is a self number, because there is not a number n which added to its sum of digits gives 42151514.

It is not an unprimeable number, because it can be changed into a prime (42151511) 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, 13637 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (4046172).

Almost surely, 2^42151514 is an apocalyptic number.

42151514 is a deficient number, since it is larger than the sum of its proper divisors (22587238).

42151514 is a wasteful number, since it uses less digits than its factorization.

42151514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its digits is 800, while the sum is 23.

The square root of 42151514 is about 6492.4197338127. The cubic root of 42151514 is about 348.0201523099.

Adding to 42151514 its reverse (41515124), we get a palindrome (83666638).

The spelling of 42151514 in words is "forty-two million, one hundred fifty-one thousand, five hundred fourteen".