75243053157 has 8 divisors (see below), whose sum is σ = 100326936384. Its totient is φ = 50160602688.

The previous prime is 75243053143. The next prime is 75243053159. The reversal of 75243053157 is 75135034257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75243053157 - 2¹⁴ = 75243036773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75243053159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228993 + ... + 450470.

It is an arithmetic number, because the mean of its divisors is an integer number (12540867048).

Almost surely, 2^75243053157 is an apocalyptic number.

It is an amenable number.

75243053157 is a deficient number, since it is larger than the sum of its proper divisors (25083883227).

75243053157 is a wasteful number, since it uses less digits than its factorization.

75243053157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716379.

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 75243053157 in words is "seventy-five billion, two hundred forty-three million, fifty-three thousand, one hundred fifty-seven".