142495293 has 4 divisors (see below), whose sum is σ = 189993728. Its totient is φ = 94996860.

The previous prime is 142495291. The next prime is 142495303. The reversal of 142495293 is 392594241.

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.

It is not a de Polignac number, because 142495293 - 2¹ = 142495291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142495291) 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, 23749213 + ... + 23749218.

It is an arithmetic number, because the mean of its divisors is an integer number (47498432).

Almost surely, 2^142495293 is an apocalyptic number.

It is an amenable number.

142495293 is a deficient number, since it is larger than the sum of its proper divisors (47498435).

142495293 is an equidigital number, since it uses as much as digits as its factorization.

142495293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47498434.

The product of its digits is 77760, while the sum is 39.

The square root of 142495293 is about 11937.1392301506. The cubic root of 142495293 is about 522.3162123081.

The spelling of 142495293 in words is "one hundred forty-two million, four hundred ninety-five thousand, two hundred ninety-three".