142874586 has 24 divisors (see below), whose sum is σ = 317113524. Its totient is φ = 46463040.

The previous prime is 142874549. The next prime is 142874587. The reversal of 142874586 is 685478241.

It can be written as a sum of positive squares in 2 ways, for example, as 135140625 + 7733961 = 11625^2 + 2781^2 .

It is not an unprimeable number, because it can be changed into a prime (142874587) 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, 96061 + ... + 97536.

Almost surely, 2^142874586 is an apocalyptic number.

142874586 is an abundant number, since it is smaller than the sum of its proper divisors (174238938).

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

142874586 is a wasteful number, since it uses less digits than its factorization.

142874586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193646 (or 193643 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 142874586 is about 11953.0157700892. The cubic root of 142874586 is about 522.7792343062.

It can be divided in two parts, 14 and 2874586, that multiplied together give a palindrome (40244204).

The spelling of 142874586 in words is "one hundred forty-two million, eight hundred seventy-four thousand, five hundred eighty-six".