142404311000 has 64 divisors (see below), whose sum is σ = 380829833280. Its totient is φ = 48824332800.

The previous prime is 142404310999. The next prime is 142404311011. The reversal of 142404311000 is 113404241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164737 + ... + 10178736.

It is an arithmetic number, because the mean of its divisors is an integer number (5950466145).

Almost surely, 2^142404311000 is an apocalyptic number.

142404311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142404311000 is an abundant number, since it is smaller than the sum of its proper divisors (238425522280).

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

142404311000 is a wasteful number, since it uses less digits than its factorization.

142404311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20343501 (or 20343487 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142404311000 its reverse (113404241), we get a palindrome (142517715241).

The spelling of 142404311000 in words is "one hundred forty-two billion, four hundred four million, three hundred eleven thousand".