45127903 has 4 divisors (see below), whose sum is σ = 45164520. Its totient is φ = 45091288.

The previous prime is 45127897. The next prime is 45127919. The reversal of 45127903 is 30972154.

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

It is a cyclic number.

It is not a de Polignac number, because 45127903 - 2⁵ = 45127871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45127933) 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, 16393 + ... + 18946.

It is an arithmetic number, because the mean of its divisors is an integer number (11291130).

Almost surely, 2^45127903 is an apocalyptic number.

45127903 is a deficient number, since it is larger than the sum of its proper divisors (36617).

45127903 is a wasteful number, since it uses less digits than its factorization.

45127903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36616.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 45127903 is about 6717.7304947430. The cubic root of 45127903 is about 356.0260022879.

The spelling of 45127903 in words is "forty-five million, one hundred twenty-seven thousand, nine hundred three".