142444311000 has 128 divisors (see below), whose sum is σ = 467817292800. Its totient is φ = 35985916800.

The previous prime is 142444310941. The next prime is 142444311067. The reversal of 142444311000 is 113444241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192512 + ... + 1306511.

It is an arithmetic number, because the mean of its divisors is an integer number (3654822600).

Almost surely, 2^142444311000 is an apocalyptic number.

142444311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142444311000 is an abundant number, since it is smaller than the sum of its proper divisors (325372981800).

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

142444311000 is a wasteful number, since it uses less digits than its factorization.

142444311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499066 (or 2499052 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 142444311000 its reverse (113444241), we get a palindrome (142557755241).

The spelling of 142444311000 in words is "one hundred forty-two billion, four hundred forty-four million, three hundred eleven thousand".