142524457 has 2 divisors, whose sum is σ = 142524458. Its totient is φ = 142524456.

The previous prime is 142524439. The next prime is 142524461. The reversal of 142524457 is 754425241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72233001 + 70291456 = 8499^2 + 8384^2 .

It is a cyclic number.

It is not a de Polignac number, because 142524457 - 2¹⁹ = 142000169 is a prime.

It is not a weakly prime, because it can be changed into another prime (142524467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71262228 + 71262229.

It is an arithmetic number, because the mean of its divisors is an integer number (71262229).

Almost surely, 2^142524457 is an apocalyptic number.

It is an amenable number.

142524457 is a deficient number, since it is larger than the sum of its proper divisors (1).

142524457 is an equidigital number, since it uses as much as digits as its factorization.

142524457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 34.

The square root of 142524457 is about 11938.3607333670. The cubic root of 142524457 is about 522.3518434053.

Adding to 142524457 its reverse (754425241), we get a palindrome (896949698).

The spelling of 142524457 in words is "one hundred forty-two million, five hundred twenty-four thousand, four hundred fifty-seven".