142953677 has 2 divisors, whose sum is σ = 142953678. Its totient is φ = 142953676.

The previous prime is 142953661. The next prime is 142953709. The reversal of 142953677 is 776359241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142229476 + 724201 = 11926^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 142953677 - 2⁴ = 142953661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142953647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71476838 + 71476839.

It is an arithmetic number, because the mean of its divisors is an integer number (71476839).

Almost surely, 2^142953677 is an apocalyptic number.

It is an amenable number.

142953677 is a deficient number, since it is larger than the sum of its proper divisors (1).

142953677 is an equidigital number, since it uses as much as digits as its factorization.

142953677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 142953677 is about 11956.3237242892. The cubic root of 142953677 is about 522.8756813755.

The spelling of 142953677 in words is "one hundred forty-two million, nine hundred fifty-three thousand, six hundred seventy-seven".