142775874 has 24 divisors (see below), whose sum is σ = 320016060. Its totient is φ = 45950688.

The previous prime is 142775873. The next prime is 142775917. The reversal of 142775874 is 478577241.

It can be written as a sum of positive squares in 2 ways, for example, as 142635249 + 140625 = 11943^2 + 375^2 .

It is not an unprimeable number, because it can be changed into a prime (142775873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136237 + ... + 137280.

Almost surely, 2^142775874 is an apocalyptic number.

142775874 is an abundant number, since it is smaller than the sum of its proper divisors (177240186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142775874 is a wasteful number, since it uses less digits than its factorization.

142775874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273554 (or 273551 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 142775874 is about 11948.8858894878. The cubic root of 142775874 is about 522.6588105735.

The spelling of 142775874 in words is "one hundred forty-two million, seven hundred seventy-five thousand, eight hundred seventy-four".