145184761845 has 96 divisors (see below), whose sum is σ = 267465369600. Its totient is φ = 72649187712.

The previous prime is 145184761817. The next prime is 145184761849. The reversal of 145184761845 is 548167481541.

145184761845 is a `hidden beast` number, since 1 + 4 + 5 + 18 + 4 + 7 + 618 + 4 + 5 = 666.

It is not a de Polignac number, because 145184761845 - 2³⁶ = 76465285109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145184761791 and 145184761800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145184761849) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40249032 + ... + 40252638.

It is an arithmetic number, because the mean of its divisors is an integer number (2786097600).

Almost surely, 2^145184761845 is an apocalyptic number.

145184761845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145184761845 is a deficient number, since it is larger than the sum of its proper divisors (122280607755).

145184761845 is a wasteful number, since it uses less digits than its factorization.

145184761845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079 (or 4076 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The spelling of 145184761845 in words is "one hundred forty-five billion, one hundred eighty-four million, seven hundred sixty-one thousand, eight hundred forty-five".