142498793 has 4 divisors (see below), whose sum is σ = 142600080. Its totient is φ = 142397508.

The previous prime is 142498781. The next prime is 142498813. The reversal of 142498793 is 397894241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 397894241 = 9377 ⋅42433.

It is a cyclic number.

It is not a de Polignac number, because 142498793 - 2²² = 138304489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142498703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48503 + ... + 51356.

It is an arithmetic number, because the mean of its divisors is an integer number (35650020).

Almost surely, 2^142498793 is an apocalyptic number.

It is an amenable number.

142498793 is a deficient number, since it is larger than the sum of its proper divisors (101287).

142498793 is an equidigital number, since it uses as much as digits as its factorization.

142498793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101286.

The product of its digits is 435456, while the sum is 47.

The square root of 142498793 is about 11937.2858305395. The cubic root of 142498793 is about 522.3204886874.

The spelling of 142498793 in words is "one hundred forty-two million, four hundred ninety-eight thousand, seven hundred ninety-three".