142925393 has 4 divisors (see below), whose sum is σ = 153919668. Its totient is φ = 131931120.

The previous prime is 142925389. The next prime is 142925399. The reversal of 142925393 is 393529241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9684544 + 133240849 = 3112^2 + 11543^2 .

It is a cyclic number.

It is not a de Polignac number, because 142925393 - 2² = 142925389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142925399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497118 + ... + 5497143.

It is an arithmetic number, because the mean of its divisors is an integer number (38479917).

Almost surely, 2^142925393 is an apocalyptic number.

142925393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142925393 is a deficient number, since it is larger than the sum of its proper divisors (10994275).

142925393 is a wasteful number, since it uses less digits than its factorization.

142925393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994274.

The product of its digits is 58320, while the sum is 38.

The square root of 142925393 is about 11955.1408607343. The cubic root of 142925393 is about 522.8411946999.

The spelling of 142925393 in words is "one hundred forty-two million, nine hundred twenty-five thousand, three hundred ninety-three".