142521083 has 2 divisors, whose sum is σ = 142521084. Its totient is φ = 142521082.

The previous prime is 142521059. The next prime is 142521089. The reversal of 142521083 is 380125241.

It is a strong prime.

It is an emirp because it is prime and its reverse (380125241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142521083 - 2⁶ = 142521019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142521089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71260541 + 71260542.

It is an arithmetic number, because the mean of its divisors is an integer number (71260542).

Almost surely, 2^142521083 is an apocalyptic number.

142521083 is a deficient number, since it is larger than the sum of its proper divisors (1).

142521083 is an equidigital number, since it uses as much as digits as its factorization.

142521083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 142521083 is about 11938.2194233479. The cubic root of 142521083 is about 522.3477214718.

The spelling of 142521083 in words is "one hundred forty-two million, five hundred twenty-one thousand, eighty-three".