142693951 has 2 divisors, whose sum is σ = 142693952. Its totient is φ = 142693950.

The previous prime is 142693897. The next prime is 142693963. The reversal of 142693951 is 159396241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142693951 - 2¹⁷ = 142562879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142693151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71346975 + 71346976.

It is an arithmetic number, because the mean of its divisors is an integer number (71346976).

Almost surely, 2^142693951 is an apocalyptic number.

142693951 is a deficient number, since it is larger than the sum of its proper divisors (1).

142693951 is an equidigital number, since it uses as much as digits as its factorization.

142693951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 142693951 is about 11945.4573374149. The cubic root of 142693951 is about 522.5588264315.

The spelling of 142693951 in words is "one hundred forty-two million, six hundred ninety-three thousand, nine hundred fifty-one".