142453203240000 has 280 divisors, whose sum is σ = 471212648184960. Its totient is φ = 37969041152000.

The previous prime is 142453203239983. The next prime is 142453203240169. The reversal of 142453203240000 is 42302354241.

It is a super-2 number, since 2×142453203240000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 142453203240000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 247272286 + ... + 247847714.

Almost surely, 2^{142453203240000} is an apocalyptic number.

142453203240000 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 142453203240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235606324092480).

142453203240000 is an abundant number, since it is smaller than the sum of its proper divisors (328759444944960).

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

142453203240000 is an equidigital number, since it uses as much as digits as its factorization.

142453203240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577527 (or 577502 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 142453203240000 its reverse (42302354241), we get a palindrome (142495505594241).

The spelling of 142453203240000 in words is "one hundred forty-two trillion, four hundred fifty-three billion, two hundred three million, two hundred forty thousand".