142545480 has 128 divisors (see below), whose sum is σ = 533191680. Its totient is φ = 29617920.

The previous prime is 142545449. The next prime is 142545523. The reversal of 142545480 is 84545241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527 + ... + 16953.

It is an arithmetic number, because the mean of its divisors is an integer number (4165560).

Almost surely, 2^142545480 is an apocalyptic number.

142545480 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 142545480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266595840).

142545480 is an abundant number, since it is smaller than the sum of its proper divisors (390646200).

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

142545480 is a wasteful number, since it uses less digits than its factorization.

142545480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459 (or 15455 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 142545480 is about 11939.2411819177. The cubic root of 142545480 is about 522.3775252267.

The spelling of 142545480 in words is "one hundred forty-two million, five hundred forty-five thousand, four hundred eighty".