142297323480 has 320 divisors, whose sum is σ = 524794152960. Its totient is φ = 34365606912.

The previous prime is 142297323463. The next prime is 142297323499. The reversal of 142297323480 is 84323792241.

142297323480 is a `hidden beast` number, since 1 + 422 + 97 + 32 + 34 + 80 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 79 ways as a sum of consecutive naturals, for example, 2200489 + ... + 2264231.

It is an arithmetic number, because the mean of its divisors is an integer number (1639981728).

Almost surely, 2^142297323480 is an apocalyptic number.

142297323480 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 142297323480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262397076480).

142297323480 is an abundant number, since it is smaller than the sum of its proper divisors (382496829480).

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

142297323480 is a wasteful number, since it uses less digits than its factorization.

142297323480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63832 (or 63819 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 142297323480 in words is "one hundred forty-two billion, two hundred ninety-seven million, three hundred twenty-three thousand, four hundred eighty".