142175240 has 32 divisors (see below), whose sum is σ = 322839000. Its totient is φ = 56346624.

The previous prime is 142175239. The next prime is 142175261. The reversal of 142175240 is 42571241.

It can be written as a sum of positive squares in 4 ways, for example, as 131377444 + 10797796 = 11462^2 + 3286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11945 + ... + 20664.

Almost surely, 2^142175240 is an apocalyptic number.

142175240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142175240 is an abundant number, since it is smaller than the sum of its proper divisors (180663760).

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

142175240 is a wasteful number, since it uses less digits than its factorization.

142175240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32729 (or 32725 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 142175240 is about 11923.7259277459. The cubic root of 142175240 is about 521.9248679563.

The spelling of 142175240 in words is "one hundred forty-two million, one hundred seventy-five thousand, two hundred forty".