42145115706908 has 12 divisors (see below), whose sum is σ = 75552829377312. Its totient is φ = 20558593027680.

The previous prime is 42145115706907. The next prime is 42145115706913. The reversal of 42145115706908 is 80960751154124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42145115706908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42145115706907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128491206260 + ... + 128491206587.

It is an arithmetic number, because the mean of its divisors is an integer number (6296069114776).

Almost surely, 2^{42145115706908} is an apocalyptic number.

It is an amenable number.

42145115706908 is a deficient number, since it is larger than the sum of its proper divisors (33407713670404).

42145115706908 is a wasteful number, since it uses less digits than its factorization.

42145115706908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256982412892 (or 256982412890 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 42145115706908 in words is "forty-two trillion, one hundred forty-five billion, one hundred fifteen million, seven hundred six thousand, nine hundred eight".