142450557715 has 8 divisors (see below), whose sum is σ = 170946091008. Its totient is φ = 113956831680.

The previous prime is 142450557679. The next prime is 142450557761. The reversal of 142450557715 is 517755054241.

It is a happy number.

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

It is not a de Polignac number, because 142450557715 - 2²¹ = 142448460563 is a prime.

It is a super-2 number, since 2×142450557715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 271891 + ... + 599020.

It is an arithmetic number, because the mean of its divisors is an integer number (21368261376).

Almost surely, 2^142450557715 is an apocalyptic number.

142450557715 is a deficient number, since it is larger than the sum of its proper divisors (28495533293).

142450557715 is an equidigital number, since it uses as much as digits as its factorization.

142450557715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903629.

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 142450557715 in words is "one hundred forty-two billion, four hundred fifty million, five hundred fifty-seven thousand, seven hundred fifteen".