142828590 has 32 divisors (see below), whose sum is σ = 347909760. Its totient is φ = 37518624.

The previous prime is 142828589. The next prime is 142828613. The reversal of 142828590 is 95828241.

It is a super-2 number, since 2×142828590² = 40800012242776200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 33520 + ... + 37539.

It is an arithmetic number, because the mean of its divisors is an integer number (10872180).

Almost surely, 2^142828590 is an apocalyptic number.

142828590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142828590 is an abundant number, since it is smaller than the sum of its proper divisors (205081170).

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

142828590 is a wasteful number, since it uses less digits than its factorization.

142828590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71136.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 142828590 is about 11951.0915819435. The cubic root of 142828590 is about 522.7231283764.

The spelling of 142828590 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, five hundred ninety".