142972414 has 16 divisors (see below), whose sum is σ = 244541808. Its totient is φ = 62105472.

The previous prime is 142972373. The next prime is 142972447. The reversal of 142972414 is 414279241.

It is a happy number.

It is a super-2 number, since 2×142972414² = 40882222329974792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 142972414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161292 + ... + 162175.

It is an arithmetic number, because the mean of its divisors is an integer number (15283863).

Almost surely, 2^142972414 is an apocalyptic number.

142972414 is a deficient number, since it is larger than the sum of its proper divisors (101569394).

142972414 is a wasteful number, since it uses less digits than its factorization.

142972414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323499.

The product of its digits is 16128, while the sum is 34.

The square root of 142972414 is about 11957.1072588649. The cubic root of 142972414 is about 522.8985248910.

The spelling of 142972414 in words is "one hundred forty-two million, nine hundred seventy-two thousand, four hundred fourteen".