142001400231 has 12 divisors (see below), whose sum is σ = 217178612352. Its totient is φ = 89098917696.

The previous prime is 142001400223. The next prime is 142001400251. The reversal of 142001400231 is 132004100241.

142001400231 is a `hidden beast` number, since 1 + 420 + 0 + 14 + 0 + 0 + 231 = 666.

It is not a de Polignac number, because 142001400231 - 2³ = 142001400223 is a prime.

It is a super-2 number, since 2×142001400231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001400221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464056711 + ... + 464057016.

It is an arithmetic number, because the mean of its divisors is an integer number (18098217696).

Almost surely, 2^142001400231 is an apocalyptic number.

142001400231 is a deficient number, since it is larger than the sum of its proper divisors (75177212121).

142001400231 is a wasteful number, since it uses less digits than its factorization.

142001400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928113750 (or 928113747 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 142001400231 its reverse (132004100241), we get a palindrome (274005500472).

The spelling of 142001400231 in words is "one hundred forty-two billion, one million, four hundred thousand, two hundred thirty-one".