142570493 has 16 divisors (see below), whose sum is σ = 155749440. Its totient is φ = 129724416.

The previous prime is 142570469. The next prime is 142570507. The reversal of 142570493 is 394075241.

It is a cyclic number.

It is not a de Polignac number, because 142570493 - 2¹⁴ = 142554109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142570453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464246 + ... + 464552.

It is an arithmetic number, because the mean of its divisors is an integer number (9734340).

Almost surely, 2^142570493 is an apocalyptic number.

142570493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142570493 is a deficient number, since it is larger than the sum of its proper divisors (13178947).

142570493 is a wasteful number, since it uses less digits than its factorization.

142570493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 142570493 is about 11940.2886481023. The cubic root of 142570493 is about 522.4080779664.

The spelling of 142570493 in words is "one hundred forty-two million, five hundred seventy thousand, four hundred ninety-three".