42745631353145 has 64 divisors (see below), whose sum is σ = 58904540430336. Its totient is φ = 29170764472320.

The previous prime is 42745631353133. The next prime is 42745631353169. The reversal of 42745631353145 is 54135313654724.

It is not a de Polignac number, because 42745631353145 - 2⁶ = 42745631353081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12051205262 + ... + 12051208808.

It is an arithmetic number, because the mean of its divisors is an integer number (920383444224).

Almost surely, 2^{42745631353145} is an apocalyptic number.

It is an amenable number.

42745631353145 is a deficient number, since it is larger than the sum of its proper divisors (16158909077191).

42745631353145 is a wasteful number, since it uses less digits than its factorization.

42745631353145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790.

The product of its digits is 18144000, while the sum is 53.

The spelling of 42745631353145 in words is "forty-two trillion, seven hundred forty-five billion, six hundred thirty-one million, three hundred fifty-three thousand, one hundred forty-five".