42003450045 has 32 divisors (see below), whose sum is σ = 74795965440. Its totient is φ = 22364890560.

The previous prime is 42003450019. The next prime is 42003450091. The reversal of 42003450045 is 54005430024.

42003450045 is a `hidden beast` number, since 4 + 200 + 3 + 450 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 42003450045 - 2⁶ = 42003449981 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174346 + ... + 338235.

It is an arithmetic number, because the mean of its divisors is an integer number (2337373920).

Almost surely, 2^42003450045 is an apocalyptic number.

42003450045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42003450045 is a deficient number, since it is larger than the sum of its proper divisors (32792515395).

42003450045 is a wasteful number, since it uses less digits than its factorization.

42003450045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513202 (or 513196 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 42003450045 its reverse (54005430024), we get a palindrome (96008880069).

The spelling of 42003450045 in words is "forty-two billion, three million, four hundred fifty thousand, forty-five".