75304137231345 has 32 divisors (see below), whose sum is σ = 138357840660480. Its totient is φ = 34589460162240.

The previous prime is 75304137231329. The next prime is 75304137231377. The reversal of 75304137231345 is 54313273140357.

It is not a de Polignac number, because 75304137231345 - 2⁴ = 75304137231329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75304137231294 and 75304137231303.

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, 12010226089 + ... + 12010232358.

It is an arithmetic number, because the mean of its divisors is an integer number (4323682520640).

Almost surely, 2^{75304137231345} is an apocalyptic number.

It is an amenable number.

75304137231345 is a deficient number, since it is larger than the sum of its proper divisors (63053703429135).

75304137231345 is a wasteful number, since it uses less digits than its factorization.

75304137231345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020458485.

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 75304137231345 in words is "seventy-five trillion, three hundred four billion, one hundred thirty-seven million, two hundred thirty-one thousand, three hundred forty-five".