142573457 has 8 divisors (see below), whose sum is σ = 154714560. Its totient is φ = 130600080.

The previous prime is 142573451. The next prime is 142573463. The reversal of 142573457 is 754375241.

It is an interprime number because it is at equal distance from previous prime (142573451) and next prime (142573463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142573457 - 2⁶ = 142573393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142573457.

It is not an unprimeable number, because it can be changed into a prime (142573451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40157 + ... + 43562.

It is an arithmetic number, because the mean of its divisors is an integer number (19339320).

Almost surely, 2^142573457 is an apocalyptic number.

It is an amenable number.

142573457 is a deficient number, since it is larger than the sum of its proper divisors (12141103).

142573457 is a wasteful number, since it uses less digits than its factorization.

142573457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83863.

The product of its digits is 117600, while the sum is 38.

The square root of 142573457 is about 11940.4127650597. The cubic root of 142573457 is about 522.4116981798.

The spelling of 142573457 in words is "one hundred forty-two million, five hundred seventy-three thousand, four hundred fifty-seven".