142260890 has 8 divisors (see below), whose sum is σ = 256069620. Its totient is φ = 56904352.

The previous prime is 142260889. The next prime is 142260929. The reversal of 142260890 is 98062241.

It can be written as a sum of positive squares in 2 ways, for example, as 138462289 + 3798601 = 11767^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7113035 + ... + 7113054.

Almost surely, 2^142260890 is an apocalyptic number.

142260890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142260890 is a deficient number, since it is larger than the sum of its proper divisors (113808730).

142260890 is a wasteful number, since it uses less digits than its factorization.

142260890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226096.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 142260890 is about 11927.3169656885. The cubic root of 142260890 is about 522.0296538793.

The spelling of 142260890 in words is "one hundred forty-two million, two hundred sixty thousand, eight hundred ninety".