142365151202421 has 24 divisors (see below), whose sum is σ = 221288169189504. Its totient is φ = 81175809718080.

The previous prime is 142365151202357. The next prime is 142365151202467. The reversal of 142365151202421 is 124202151563241.

It is not a de Polignac number, because 142365151202421 - 2⁶ = 142365151202357 is a prime.

It is a super-2 number, since 2×142365151202421² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142365151202421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142365151202221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045796320 + ... + 1045932441.

It is an arithmetic number, because the mean of its divisors is an integer number (9220340382896).

Almost surely, 2^{142365151202421} is an apocalyptic number.

It is an amenable number.

142365151202421 is a deficient number, since it is larger than the sum of its proper divisors (78923017987083).

142365151202421 is a wasteful number, since it uses less digits than its factorization.

142365151202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091729241 (or 2091729234 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 142365151202421 in words is "one hundred forty-two trillion, three hundred sixty-five billion, one hundred fifty-one million, two hundred two thousand, four hundred twenty-one".