75146064157 has 4 divisors (see below), whose sum is σ = 75162129120. Its totient is φ = 75129999196.

The previous prime is 75146064143. The next prime is 75146064179.

75146064157 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75146064157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75146014157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8025463 + ... + 8034820.

It is an arithmetic number, because the mean of its divisors is an integer number (18790532280).

Almost surely, 2^75146064157 is an apocalyptic number.

It is an amenable number.

75146064157 is a deficient number, since it is larger than the sum of its proper divisors (16064963).

75146064157 is a wasteful number, since it uses less digits than its factorization.

75146064157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16064962.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 75146064157 in words is "seventy-five billion, one hundred forty-six million, sixty-four thousand, one hundred fifty-seven".