142442414 has 4 divisors (see below), whose sum is σ = 213663624. Its totient is φ = 71221206.

The previous prime is 142442407. The next prime is 142442437. The reversal of 142442414 is 414244241.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×142442414² = 40579682612294792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35610602 + ... + 35610605.

It is an arithmetic number, because the mean of its divisors is an integer number (53415906).

Almost surely, 2^142442414 is an apocalyptic number.

142442414 is a deficient number, since it is larger than the sum of its proper divisors (71221210).

142442414 is an equidigital number, since it uses as much as digits as its factorization.

142442414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71221209.

The product of its digits is 4096, while the sum is 26.

The square root of 142442414 is about 11934.9241304669. The cubic root of 142442414 is about 522.2515950248.

Adding to 142442414 its reverse (414244241), we get a palindrome (556686655).

The spelling of 142442414 in words is "one hundred forty-two million, four hundred forty-two thousand, four hundred fourteen".