142365894499 has 4 divisors (see below), whose sum is σ = 144490758664. Its totient is φ = 140241030336.

The previous prime is 142365894497. The next prime is 142365894527. The reversal of 142365894499 is 994498563241.

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

It is a cyclic number.

It is not a de Polignac number, because 142365894499 - 2¹ = 142365894497 is a prime.

It is a super-2 number, since 2×142365894499² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142365894499.

It is not an unprimeable number, because it can be changed into a prime (142365894493) 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, 1062431982 + ... + 1062432115.

It is an arithmetic number, because the mean of its divisors is an integer number (36122689666).

Almost surely, 2^142365894499 is an apocalyptic number.

142365894499 is a deficient number, since it is larger than the sum of its proper divisors (2124864165).

142365894499 is an equidigital number, since it uses as much as digits as its factorization.

142365894499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124864164.

The product of its digits is 67184640, while the sum is 64.

The spelling of 142365894499 in words is "one hundred forty-two billion, three hundred sixty-five million, eight hundred ninety-four thousand, four hundred ninety-nine".