142112455 has 8 divisors (see below), whose sum is σ = 170790912. Its totient is φ = 113519328.

The previous prime is 142112447. The next prime is 142112461. The reversal of 142112455 is 554211241.

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

It is a cyclic number.

It is not a de Polignac number, because 142112455 - 2³ = 142112447 is a prime.

It is a super-2 number, since 2×142112455² = 40391899732254050, which contains 22 as substring.

It is a Duffinian number.

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, 17607 + ... + 24376.

It is an arithmetic number, because the mean of its divisors is an integer number (21348864).

Almost surely, 2^142112455 is an apocalyptic number.

142112455 is a deficient number, since it is larger than the sum of its proper divisors (28678457).

142112455 is an equidigital number, since it uses as much as digits as its factorization.

142112455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42665.

The product of its digits is 1600, while the sum is 25.

The square root of 142112455 is about 11921.0928609755. The cubic root of 142112455 is about 521.8480287972.

Adding to 142112455 its reverse (554211241), we get a palindrome (696323696).

The spelling of 142112455 in words is "one hundred forty-two million, one hundred twelve thousand, four hundred fifty-five".