42145774126625 has 32 divisors (see below), whose sum is σ = 57489352222848. Its totient is φ = 30658510238400.

The previous prime is 42145774126619. The next prime is 42145774126649. The reversal of 42145774126625 is 52662147754124.

It is not a de Polignac number, because 42145774126625 - 2⁸ = 42145774126369 is a prime.

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, 193442327 + ... + 193660076.

It is an arithmetic number, because the mean of its divisors is an integer number (1796542256964).

Almost surely, 2^{42145774126625} is an apocalyptic number.

It is an amenable number.

42145774126625 is a deficient number, since it is larger than the sum of its proper divisors (15343578096223).

42145774126625 is a wasteful number, since it uses less digits than its factorization.

42145774126625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387102498 (or 387102488 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 56.

The spelling of 42145774126625 in words is "forty-two trillion, one hundred forty-five billion, seven hundred seventy-four million, one hundred twenty-six thousand, six hundred twenty-five".