45111442023 has 20 divisors (see below), whose sum is σ = 67399100560. Its totient is φ = 30069652032.

The previous prime is 45111442003. The next prime is 45111442027. The reversal of 45111442023 is 32024411154.

45111442023 is a `hidden beast` number, since 4 + 511 + 144 + 2 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 45111442023 - 2⁶ = 45111441959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111442027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 532158 + ... + 611076.

It is an arithmetic number, because the mean of its divisors is an integer number (3369955028).

Almost surely, 2^45111442023 is an apocalyptic number.

45111442023 is a deficient number, since it is larger than the sum of its proper divisors (22287658537).

45111442023 is an equidigital number, since it uses as much as digits as its factorization.

45111442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85988 (or 85979 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 45111442023 its reverse (32024411154), we get a palindrome (77135853177).

The spelling of 45111442023 in words is "forty-five billion, one hundred eleven million, four hundred forty-two thousand, twenty-three".