142515937 has 2 divisors, whose sum is σ = 142515938. Its totient is φ = 142515936.

The previous prime is 142515911. The next prime is 142515943. The reversal of 142515937 is 739515241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92332881 + 50183056 = 9609^2 + 7084^2 .

It is a cyclic number.

It is not a de Polignac number, because 142515937 - 2⁷ = 142515809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142515896 and 142515905.

It is not a weakly prime, because it can be changed into another prime (142515137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71257968 + 71257969.

It is an arithmetic number, because the mean of its divisors is an integer number (71257969).

Almost surely, 2^142515937 is an apocalyptic number.

It is an amenable number.

142515937 is a deficient number, since it is larger than the sum of its proper divisors (1).

142515937 is an equidigital number, since it uses as much as digits as its factorization.

142515937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 142515937 is about 11938.0038951242. The cubic root of 142515937 is about 522.3414346037.

The spelling of 142515937 in words is "one hundred forty-two million, five hundred fifteen thousand, nine hundred thirty-seven".