142544130 has 32 divisors (see below), whose sum is σ = 343116864. Its totient is φ = 37899456.

The previous prime is 142544123. The next prime is 142544161. The reversal of 142544130 is 31445241.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142544130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (10722402).

Almost surely, 2^142544130 is an apocalyptic number.

142544130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142544130 is an abundant number, since it is smaller than the sum of its proper divisors (200572734).

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

142544130 is a wasteful number, since it uses less digits than its factorization.

142544130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142544130 is about 11939.1846455275. The cubic root of 142544130 is about 522.3758761345.

Adding to 142544130 its reverse (31445241), we get a palindrome (173989371).

The spelling of 142544130 in words is "one hundred forty-two million, five hundred forty-four thousand, one hundred thirty".