142544416 has 24 divisors (see below), whose sum is σ = 320725440. Its totient is φ = 61090368.

The previous prime is 142544411. The next prime is 142544459. The reversal of 142544416 is 614445241.

It is not an unprimeable number, because it can be changed into a prime (142544411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317956 + ... + 318403.

It is an arithmetic number, because the mean of its divisors is an integer number (13363560).

Almost surely, 2^142544416 is an apocalyptic number.

142544416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142544416 is an abundant number, since it is smaller than the sum of its proper divisors (178181024).

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

142544416 is an equidigital number, since it uses as much as digits as its factorization.

142544416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636376 (or 636368 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 142544416 is about 11939.1966228888. The cubic root of 142544416 is about 522.3762254986.

Adding to 142544416 its reverse (614445241), we get a palindrome (756989657).

The spelling of 142544416 in words is "one hundred forty-two million, five hundred forty-four thousand, four hundred sixteen".