142419456 has 120 divisors (see below), whose sum is σ = 424716864. Its totient is φ = 45895680.

The previous prime is 142419419. The next prime is 142419469. The reversal of 142419456 is 654914241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142419456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142350 + ... + 143346.

Almost surely, 2^142419456 is an apocalyptic number.

142419456 is a gapful number since it is divisible by the number (16) 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 142419456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212358432).

142419456 is an abundant number, since it is smaller than the sum of its proper divisors (282297408).

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

142419456 is an equidigital number, since it uses as much as digits as its factorization.

142419456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1033 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 142419456 is about 11933.9622925498. The cubic root of 142419456 is about 522.2235357410.

The spelling of 142419456 in words is "one hundred forty-two million, four hundred nineteen thousand, four hundred fifty-six".