142474480 has 80 divisors (see below), whose sum is σ = 343728000. Its totient is φ = 54883584.

The previous prime is 142474447. The next prime is 142474499. The reversal of 142474480 is 84474241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285271 + ... + 285769.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 2^142474480 is an apocalyptic number.

142474480 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 142474480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171864000).

142474480 is an abundant number, since it is smaller than the sum of its proper divisors (201253520).

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

142474480 is a wasteful number, since it uses less digits than its factorization.

142474480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 142474480 is about 11936.2674232777. The cubic root of 142474480 is about 522.2907810666.

The spelling of 142474480 in words is "one hundred forty-two million, four hundred seventy-four thousand, four hundred eighty".