142298100 has 144 divisors (see below), whose sum is σ = 522883200. Its totient is φ = 32520960.

The previous prime is 142298077. The next prime is 142298111. The reversal of 142298100 is 1892241.

It is a super-2 number, since 2×142298100² = 40497498527220000, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 15136 + ... + 22664.

Almost surely, 2^142298100 is an apocalyptic number.

142298100 is a gapful number since it is divisible by the number (10) 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 142298100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261441600).

142298100 is an abundant number, since it is smaller than the sum of its proper divisors (380585100).

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

142298100 is a wasteful number, since it uses less digits than its factorization.

142298100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559 (or 7546 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 142298100 is about 11928.8767283429. The cubic root of 142298100 is about 522.0751642325.

The spelling of 142298100 in words is "one hundred forty-two million, two hundred ninety-eight thousand, one hundred".