42145253266 has 8 divisors (see below), whose sum is σ = 63219744000. Its totient is φ = 21072005268.

The previous prime is 42145253239. The next prime is 42145253281. The reversal of 42145253266 is 66235254124.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220686 + ... + 364681.

It is an arithmetic number, because the mean of its divisors is an integer number (7902468000).

Almost surely, 2^42145253266 is an apocalyptic number.

42145253266 is a deficient number, since it is larger than the sum of its proper divisors (21074490734).

42145253266 is a wasteful number, since it uses less digits than its factorization.

42145253266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621368.

The product of its digits is 345600, while the sum is 40.

The spelling of 42145253266 in words is "forty-two billion, one hundred forty-five million, two hundred fifty-three thousand, two hundred sixty-six".