142557480 has 192 divisors, whose sum is σ = 506338560. Its totient is φ = 34573824.

The previous prime is 142557449. The next prime is 142557487. The reversal of 142557480 is 84755241.

142557480 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 574 + 80 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (142557487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388257 + ... + 388623.

It is an arithmetic number, because the mean of its divisors is an integer number (2637180).

Almost surely, 2^142557480 is an apocalyptic number.

142557480 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 142557480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253169280).

142557480 is an abundant number, since it is smaller than the sum of its proper divisors (363781080).

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

142557480 is a wasteful number, since it uses less digits than its factorization.

142557480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 142557480 is about 11939.7437158425. The cubic root of 142557480 is about 522.3921833657.

The spelling of 142557480 in words is "one hundred forty-two million, five hundred fifty-seven thousand, four hundred eighty".