100145472045 has 16 divisors (see below), whose sum is σ = 160286256000. Its totient is φ = 53393084864.

The previous prime is 100145472043. The next prime is 100145472071. The reversal of 100145472045 is 540274541001.

It is a cyclic number.

It is not a de Polignac number, because 100145472045 - 2¹ = 100145472043 is a prime.

It is a super-2 number, since 2×100145472045² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100145471997 and 100145472015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100145472041) 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, 1068114 + ... + 1158083.

It is an arithmetic number, because the mean of its divisors is an integer number (10017891000).

Almost surely, 2^100145472045 is an apocalyptic number.

100145472045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100145472045 is a deficient number, since it is larger than the sum of its proper divisors (60140783955).

100145472045 is a wasteful number, since it uses less digits than its factorization.

100145472045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229204.

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 100145472045 in words is "one hundred billion, one hundred forty-five million, four hundred seventy-two thousand, forty-five".