45117451582 has 48 divisors (see below), whose sum is σ = 80420014080. Its totient is φ = 18924187632.

The previous prime is 45117451559. The next prime is 45117451591. The reversal of 45117451582 is 28515471154.

45117451582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45117451582² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844419 + ... + 896257.

It is an arithmetic number, because the mean of its divisors is an integer number (1675416960).

Almost surely, 2^45117451582 is an apocalyptic number.

45117451582 is a deficient number, since it is larger than the sum of its proper divisors (35302562498).

45117451582 is a wasteful number, since it uses less digits than its factorization.

45117451582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52045 (or 52038 counting only the distinct ones).

The product of its digits is 224000, while the sum is 43.

The spelling of 45117451582 in words is "forty-five billion, one hundred seventeen million, four hundred fifty-one thousand, five hundred eighty-two".