142232344400 has 60 divisors (see below), whose sum is σ = 353496450300. Its totient is φ = 54931107840.

The previous prime is 142232344399. The next prime is 142232344439. The reversal of 142232344400 is 4443232241.

It can be written as a sum of positive squares in 6 ways, for example, as 6272006416 + 135960337984 = 79196^2 + 368728^2 .

It is a super-2 number, since 2×142232344400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6119105 + ... + 6142304.

It is an arithmetic number, because the mean of its divisors is an integer number (5891607505).

Almost surely, 2^142232344400 is an apocalyptic number.

142232344400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142232344400 is an abundant number, since it is smaller than the sum of its proper divisors (211264105900).

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

142232344400 is a wasteful number, since it uses less digits than its factorization.

142232344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261456 (or 12261445 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 142232344400 its reverse (4443232241), we get a palindrome (146675576641).

The spelling of 142232344400 in words is "one hundred forty-two billion, two hundred thirty-two million, three hundred forty-four thousand, four hundred".