142952393 has 2 divisors, whose sum is σ = 142952394. Its totient is φ = 142952392.

The previous prime is 142952389. The next prime is 142952413. The reversal of 142952393 is 393259241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 65723449 = 8788^2 + 8107^2 .

It is a cyclic number.

It is not a de Polignac number, because 142952393 - 2² = 142952389 is a prime.

It is not a weakly prime, because it can be changed into another prime (142952993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71476196 + 71476197.

It is an arithmetic number, because the mean of its divisors is an integer number (71476197).

Almost surely, 2^142952393 is an apocalyptic number.

It is an amenable number.

142952393 is a deficient number, since it is larger than the sum of its proper divisors (1).

142952393 is an equidigital number, since it uses as much as digits as its factorization.

142952393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 142952393 is about 11956.2700287339. The cubic root of 142952393 is about 522.8741158931.

The spelling of 142952393 in words is "one hundred forty-two million, nine hundred fifty-two thousand, three hundred ninety-three".