142579077800 has 96 divisors (see below), whose sum is σ = 342041857920. Its totient is φ = 55242393600.

The previous prime is 142579077799. The next prime is 142579077827. The reversal of 142579077800 is 8770975241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833615 + ... + 989985.

It is an arithmetic number, because the mean of its divisors is an integer number (3562936020).

Almost surely, 2^142579077800 is an apocalyptic number.

142579077800 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 142579077800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171020928960).

142579077800 is an abundant number, since it is smaller than the sum of its proper divisors (199462780120).

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

142579077800 is a wasteful number, since it uses less digits than its factorization.

142579077800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156531 (or 156522 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 142579077800 in words is "one hundred forty-two billion, five hundred seventy-nine million, seventy-seven thousand, eight hundred".