142364531 has 2 divisors, whose sum is σ = 142364532. Its totient is φ = 142364530.

The previous prime is 142364501. The next prime is 142364543. The reversal of 142364531 is 135463241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142364531 - 2¹⁴ = 142348147 is a prime.

It is a super-2 number, since 2×142364531² = 40535319373699922, 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 = 142364494 and 142364503.

It is not a weakly prime, because it can be changed into another prime (142364501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71182265 + 71182266.

It is an arithmetic number, because the mean of its divisors is an integer number (71182266).

Almost surely, 2^142364531 is an apocalyptic number.

142364531 is a deficient number, since it is larger than the sum of its proper divisors (1).

142364531 is an equidigital number, since it uses as much as digits as its factorization.

142364531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 142364531 is about 11931.6608651101. The cubic root of 142364531 is about 522.1563941286.

The spelling of 142364531 in words is "one hundred forty-two million, three hundred sixty-four thousand, five hundred thirty-one".