140142480 has 160 divisors (see below), whose sum is σ = 464672640. Its totient is φ = 34836480.

The previous prime is 140142463. The next prime is 140142481. The reversal of 140142480 is 84241041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 140142480.

It is not an unprimeable number, because it can be changed into a prime (140142481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332670 + ... + 333090.

It is an arithmetic number, because the mean of its divisors is an integer number (2904204).

Almost surely, 2^140142480 is an apocalyptic number.

140142480 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 140142480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232336320).

140142480 is an abundant number, since it is smaller than the sum of its proper divisors (324530160).

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

140142480 is a wasteful number, since it uses less digits than its factorization.

140142480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 140142480 is about 11838.1789140053. The cubic root of 140142480 is about 519.4254996432.

The spelling of 140142480 in words is "one hundred forty million, one hundred forty-two thousand, four hundred eighty".