142332587 has 2 divisors, whose sum is σ = 142332588. Its totient is φ = 142332586.

The previous prime is 142332557. The next prime is 142332601. The reversal of 142332587 is 785233241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142332587 - 2⁶ = 142332523 is a prime.

It is a super-2 number, since 2×142332587² = 40517130644225138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142332557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71166293 + 71166294.

It is an arithmetic number, because the mean of its divisors is an integer number (71166294).

Almost surely, 2^142332587 is an apocalyptic number.

142332587 is a deficient number, since it is larger than the sum of its proper divisors (1).

142332587 is an equidigital number, since it uses as much as digits as its factorization.

142332587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 142332587 is about 11930.3221666475. The cubic root of 142332587 is about 522.1173370885.

The spelling of 142332587 in words is "one hundred forty-two million, three hundred thirty-two thousand, five hundred eighty-seven".