42951442145 has 8 divisors (see below), whose sum is σ = 51618319656. Its totient is φ = 34310094336.

The previous prime is 42951442111. The next prime is 42951442151. The reversal of 42951442145 is 54124415924.

It can be written as a sum of positive squares in 4 ways, for example, as 7601049856 + 35350392289 = 87184^2 + 188017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42951442145 - 2⁶ = 42951442081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6378722 + ... + 6385451.

It is an arithmetic number, because the mean of its divisors is an integer number (6452289957).

Almost surely, 2^42951442145 is an apocalyptic number.

It is an amenable number.

42951442145 is a deficient number, since it is larger than the sum of its proper divisors (8666877511).

42951442145 is a wasteful number, since it uses less digits than its factorization.

42951442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764851.

The product of its digits is 230400, while the sum is 41.

The spelling of 42951442145 in words is "forty-two billion, nine hundred fifty-one million, four hundred forty-two thousand, one hundred forty-five".