142103808 has 360 divisors, whose sum is σ = 534219840. Its totient is φ = 36495360.

The previous prime is 142103789. The next prime is 142103837. The reversal of 142103808 is 808301241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1596628 + ... + 1596716.

It is an arithmetic number, because the mean of its divisors is an integer number (1483944).

Almost surely, 2^142103808 is an apocalyptic number.

142103808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142103808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267109920).

142103808 is an abundant number, since it is smaller than the sum of its proper divisors (392116032).

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

142103808 is an equidigital number, since it uses as much as digits as its factorization.

142103808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 142103808 is about 11920.7301789781. The cubic root of 142103808 is about 521.8374444295.

The spelling of 142103808 in words is "one hundred forty-two million, one hundred three thousand, eight hundred eight".