45155455603 has 4 divisors (see below), whose sum is σ = 46375873360. Its totient is φ = 43935037848.

The previous prime is 45155455591. The next prime is 45155455621. The reversal of 45155455603 is 30655455154.

It is a happy number.

45155455603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45155455603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45155455603.

It is not an unprimeable number, because it can be changed into a prime (45155455673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610208823 + ... + 610208896.

It is an arithmetic number, because the mean of its divisors is an integer number (11593968340).

Almost surely, 2^45155455603 is an apocalyptic number.

45155455603 is a deficient number, since it is larger than the sum of its proper divisors (1220417757).

45155455603 is a wasteful number, since it uses less digits than its factorization.

45155455603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220417756.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 45155455603 in words is "forty-five billion, one hundred fifty-five million, four hundred fifty-five thousand, six hundred three".