42051257303145 has 32 divisors (see below), whose sum is σ = 68093832576000. Its totient is φ = 22157909385984.

The previous prime is 42051257303129. The next prime is 42051257303147. The reversal of 42051257303145 is 54130375215024.

It is not a de Polignac number, because 42051257303145 - 2⁴ = 42051257303129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42051257303097 and 42051257303106.

It is not an unprimeable number, because it can be changed into a prime (42051257303147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36276697 + ... + 37417926.

It is an arithmetic number, because the mean of its divisors is an integer number (2127932268000).

Almost surely, 2^{42051257303145} is an apocalyptic number.

It is an amenable number.

42051257303145 is a deficient number, since it is larger than the sum of its proper divisors (26042575272855).

42051257303145 is a wasteful number, since it uses less digits than its factorization.

42051257303145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73695089.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 42051257303145 in words is "forty-two trillion, fifty-one billion, two hundred fifty-seven million, three hundred three thousand, one hundred forty-five".