142431048 has 96 divisors (see below), whose sum is σ = 410024160. Its totient is φ = 46293120.

The previous prime is 142431031. The next prime is 142431059. The reversal of 142431048 is 840134241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78811 + ... + 80597.

It is an arithmetic number, because the mean of its divisors is an integer number (4271085).

Almost surely, 2^142431048 is an apocalyptic number.

142431048 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 142431048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205012080).

142431048 is an abundant number, since it is smaller than the sum of its proper divisors (267593112).

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

142431048 is a wasteful number, since it uses less digits than its factorization.

142431048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 142431048 is about 11934.4479553937. The cubic root of 142431048 is about 522.2377038684.

Adding to 142431048 its reverse (840134241), we get a palindrome (982565289).

The spelling of 142431048 in words is "one hundred forty-two million, four hundred thirty-one thousand, forty-eight".