142521043145587 has 2 divisors, whose sum is σ = 142521043145588. Its totient is φ = 142521043145586.

The previous prime is 142521043145567. The next prime is 142521043145627. The reversal of 142521043145587 is 785541340125241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142521043145587 is a prime.

It is not a weakly prime, because it can be changed into another prime (142521043145567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71260521572793 + 71260521572794.

It is an arithmetic number, because the mean of its divisors is an integer number (71260521572794).

Almost surely, 2^{142521043145587} is an apocalyptic number.

142521043145587 is a deficient number, since it is larger than the sum of its proper divisors (1).

142521043145587 is an equidigital number, since it uses as much as digits as its factorization.

142521043145587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 142521043145587 in words is "one hundred forty-two trillion, five hundred twenty-one billion, forty-three million, one hundred forty-five thousand, five hundred eighty-seven".