75446545157002 has 4 divisors (see below), whose sum is σ = 113169817735506. Its totient is φ = 37723272578500.

The previous prime is 75446545156993. The next prime is 75446545157023. The reversal of 75446545157002 is 20075154564457.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56629854128961 + 18816691028041 = 7525281^2 + 4337821^2 .

It is a super-2 number, since 2×75446545157002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18861636289249 + ... + 18861636289252.

Almost surely, 2^{75446545157002} is an apocalyptic number.

75446545157002 is a deficient number, since it is larger than the sum of its proper divisors (37723272578504).

75446545157002 is a wasteful number, since it uses less digits than its factorization.

75446545157002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37723272578503.

The product of its (nonzero) digits is 23520000, while the sum is 55.

The spelling of 75446545157002 in words is "seventy-five trillion, four hundred forty-six billion, five hundred forty-five million, one hundred fifty-seven thousand, two".