142844912378 has 32 divisors (see below), whose sum is σ = 251318640384. Its totient is φ = 59625700992.

The previous prime is 142844912341. The next prime is 142844912383. The reversal of 142844912378 is 873219448241.

It is a super-2 number, since 2×142844912378² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 600950 + ... + 804257.

It is an arithmetic number, because the mean of its divisors is an integer number (7853707512).

Almost surely, 2^142844912378 is an apocalyptic number.

142844912378 is a deficient number, since it is larger than the sum of its proper divisors (108473728006).

142844912378 is a wasteful number, since it uses less digits than its factorization.

142844912378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405406.

The product of its digits is 3096576, while the sum is 53.

The spelling of 142844912378 in words is "one hundred forty-two billion, eight hundred forty-four million, nine hundred twelve thousand, three hundred seventy-eight".