142300522 has 32 divisors (see below), whose sum is σ = 264096000. Its totient is φ = 55997568.

The previous prime is 142300511. The next prime is 142300531. The reversal of 142300522 is 225003241.

It is a super-2 number, since 2×142300522² = 40498877122944968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142300522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34254 + ... + 38182.

It is an arithmetic number, because the mean of its divisors is an integer number (8253000).

Almost surely, 2^142300522 is an apocalyptic number.

142300522 is a deficient number, since it is larger than the sum of its proper divisors (121795478).

142300522 is a wasteful number, since it uses less digits than its factorization.

142300522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142300522 is about 11928.9782462707. The cubic root of 142300522 is about 522.0781262277.

Adding to 142300522 its reverse (225003241), we get a palindrome (367303763).

The spelling of 142300522 in words is "one hundred forty-two million, three hundred thousand, five hundred twenty-two".