142215314 has 8 divisors (see below), whose sum is σ = 213376188. Its totient is φ = 71089920.

The previous prime is 142215313. The next prime is 142215317. The reversal of 142215314 is 413512241.

It can be written as a sum of positive squares in 2 ways, for example, as 129846025 + 12369289 = 11395^2 + 3517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142215314² = 40450391072237192, 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 142215314.

It is not an unprimeable number, because it can be changed into a prime (142215313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6434 + ... + 18050.

Almost surely, 2^142215314 is an apocalyptic number.

142215314 is a deficient number, since it is larger than the sum of its proper divisors (71160874).

142215314 is a wasteful number, since it uses less digits than its factorization.

142215314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740.

The product of its digits is 960, while the sum is 23.

The square root of 142215314 is about 11925.4062404599. The cubic root of 142215314 is about 521.9739005266.

Adding to 142215314 its reverse (413512241), we get a palindrome (555727555).

The spelling of 142215314 in words is "one hundred forty-two million, two hundred fifteen thousand, three hundred fourteen".