45451403 has 2 divisors, whose sum is σ = 45451404. Its totient is φ = 45451402.

The previous prime is 45451361. The next prime is 45451423. The reversal of 45451403 is 30415454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45451403 is a prime.

It is not a weakly prime, because it can be changed into another prime (45451423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22725701 + 22725702.

It is an arithmetic number, because the mean of its divisors is an integer number (22725702).

Almost surely, 2^45451403 is an apocalyptic number.

45451403 is a deficient number, since it is larger than the sum of its proper divisors (1).

45451403 is an equidigital number, since it uses as much as digits as its factorization.

45451403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 45451403 is about 6741.7655699379. The cubic root of 45451403 is about 356.8747033142.

Adding to 45451403 its reverse (30415454), we get a palindrome (75866857).

It can be divided in two parts, 45451 and 403, that added together give a palindrome (45854).

The spelling of 45451403 in words is "forty-five million, four hundred fifty-one thousand, four hundred three".