142775580 has 48 divisors (see below), whose sum is σ = 404278560. Its totient is φ = 37644288.

The previous prime is 142775573. The next prime is 142775597. The reversal of 142775580 is 85577241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 18708.

It is an arithmetic number, because the mean of its divisors is an integer number (8422470).

Almost surely, 2^142775580 is an apocalyptic number.

142775580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142775580 is an abundant number, since it is smaller than the sum of its proper divisors (261502980).

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

142775580 is a wasteful number, since it uses less digits than its factorization.

142775580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26838 (or 26836 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 142775580 is about 11948.8735870792. The cubic root of 142775580 is about 522.6584518252.

The spelling of 142775580 in words is "one hundred forty-two million, seven hundred seventy-five thousand, five hundred eighty".