45143903 has 8 divisors (see below), whose sum is σ = 51687072. Its totient is φ = 38624256.

The previous prime is 45143899. The next prime is 45143921. The reversal of 45143903 is 30934154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45143903 - 2² = 45143899 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 (45143933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (6460884).

Almost surely, 2^45143903 is an apocalyptic number.

45143903 is a deficient number, since it is larger than the sum of its proper divisors (6543169).

45143903 is a wasteful number, since it uses less digits than its factorization.

45143903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 45143903 is about 6718.9212675846. The cubic root of 45143903 is about 356.0680733982.

The spelling of 45143903 in words is "forty-five million, one hundred forty-three thousand, nine hundred three".