75145177154157 has 128 divisors (see below), whose sum is σ = 120719795159040. Its totient is φ = 41085116835840.

The previous prime is 75145177154111. The next prime is 75145177154171.

75145177154157 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75145177154157 - 2⁷ = 75145177154029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75145177154157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75145177154057) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 175005108 + ... + 175433970.

It is an arithmetic number, because the mean of its divisors is an integer number (943123399680).

Almost surely, 2^{75145177154157} is an apocalyptic number.

It is an amenable number.

75145177154157 is a deficient number, since it is larger than the sum of its proper divisors (45574618004883).

75145177154157 is a wasteful number, since it uses less digits than its factorization.

75145177154157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429103.

The product of its digits is 24010000, while the sum is 60.

The spelling of 75145177154157 in words is "seventy-five trillion, one hundred forty-five billion, one hundred seventy-seven million, one hundred fifty-four thousand, one hundred fifty-seven".