142452131 has 2 divisors, whose sum is σ = 142452132. Its totient is φ = 142452130.

The previous prime is 142452113. The next prime is 142452157. The reversal of 142452131 is 131254241.

Together with previous prime (142452113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (131254241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142452131 - 2⁶ = 142452067 is a prime.

It is a super-2 number, since 2×142452131² = 40585219252882322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142452097 and 142452106.

It is not a weakly prime, because it can be changed into another prime (142457131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71226065 + 71226066.

It is an arithmetic number, because the mean of its divisors is an integer number (71226066).

Almost surely, 2^142452131 is an apocalyptic number.

142452131 is a deficient number, since it is larger than the sum of its proper divisors (1).

142452131 is an equidigital number, since it uses as much as digits as its factorization.

142452131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 142452131 is about 11935.3312061291. The cubic root of 142452131 is about 522.2634702409.

The spelling of 142452131 in words is "one hundred forty-two million, four hundred fifty-two thousand, one hundred thirty-one".