142746451 has 2 divisors, whose sum is σ = 142746452. Its totient is φ = 142746450.

The previous prime is 142746427. The next prime is 142746479. The reversal of 142746451 is 154647241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142746451 - 2⁵ = 142746419 is a prime.

It is not a weakly prime, because it can be changed into another prime (142746421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71373225 + 71373226.

It is an arithmetic number, because the mean of its divisors is an integer number (71373226).

Almost surely, 2^142746451 is an apocalyptic number.

142746451 is a deficient number, since it is larger than the sum of its proper divisors (1).

142746451 is an equidigital number, since it uses as much as digits as its factorization.

142746451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 142746451 is about 11947.6546233978. The cubic root of 142746451 is about 522.6229052387.

The spelling of 142746451 in words is "one hundred forty-two million, seven hundred forty-six thousand, four hundred fifty-one".