115450471445 has 16 divisors (see below), whose sum is σ = 144576099072. Its totient is φ = 88337356800.

The previous prime is 115450471441. The next prime is 115450471453. The reversal of 115450471445 is 544174054511.

It is not a de Polignac number, because 115450471445 - 2² = 115450471441 is a prime.

It is a super-2 number, since 2×115450471445² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115450471441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638869 + ... + 1707861.

It is an arithmetic number, because the mean of its divisors is an integer number (9036006192).

Almost surely, 2^115450471445 is an apocalyptic number.

It is an amenable number.

115450471445 is a deficient number, since it is larger than the sum of its proper divisors (29125627627).

115450471445 is a wasteful number, since it uses less digits than its factorization.

115450471445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83572.

The product of its (nonzero) digits is 224000, while the sum is 41.

The spelling of 115450471445 in words is "one hundred fifteen billion, four hundred fifty million, four hundred seventy-one thousand, four hundred forty-five".