45451325403 has 24 divisors (see below), whose sum is σ = 71627203440. Its totient is φ = 27543591360.

The previous prime is 45451325389. The next prime is 45451325431. The reversal of 45451325403 is 30452315454.

45451325403 is a `hidden beast` number, since 45 + 45 + 1 + 32 + 540 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-45451325403 is a prime.

It is a super-2 number, since 2×45451325403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45451325203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1602913 + ... + 1631021.

It is an arithmetic number, because the mean of its divisors is an integer number (2984466810).

Almost surely, 2^45451325403 is an apocalyptic number.

45451325403 is a deficient number, since it is larger than the sum of its proper divisors (26175878037).

45451325403 is a wasteful number, since it uses less digits than its factorization.

45451325403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44459 (or 44456 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 45451325403 in words is "forty-five billion, four hundred fifty-one million, three hundred twenty-five thousand, four hundred three".