142650997 has 2 divisors, whose sum is σ = 142650998. Its totient is φ = 142650996.

The previous prime is 142650943. The next prime is 142651027. The reversal of 142650997 is 799056241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94750756 + 47900241 = 9734^2 + 6921^2 .

It is a cyclic number.

It is not a de Polignac number, because 142650997 - 2²³ = 134262389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142650397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71325498 + 71325499.

It is an arithmetic number, because the mean of its divisors is an integer number (71325499).

Almost surely, 2^142650997 is an apocalyptic number.

It is an amenable number.

142650997 is a deficient number, since it is larger than the sum of its proper divisors (1).

142650997 is an equidigital number, since it uses as much as digits as its factorization.

142650997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 142650997 is about 11943.6592801369. The cubic root of 142650997 is about 522.5063872909.

The spelling of 142650997 in words is "one hundred forty-two million, six hundred fifty thousand, nine hundred ninety-seven".