45415043 has 2 divisors, whose sum is σ = 45415044. Its totient is φ = 45415042.

The previous prime is 45415037. The next prime is 45415061. The reversal of 45415043 is 34051454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45415043 is a prime.

It is a super-2 number, since 2×45415043² = 4125052261383698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45415033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707521 + 22707522.

It is an arithmetic number, because the mean of its divisors is an integer number (22707522).

Almost surely, 2^45415043 is an apocalyptic number.

45415043 is a deficient number, since it is larger than the sum of its proper divisors (1).

45415043 is an equidigital number, since it uses as much as digits as its factorization.

45415043 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 45415043 is about 6739.0684074284. The cubic root of 45415043 is about 356.7795142768.

Adding to 45415043 its reverse (34051454), we get a palindrome (79466497).

The spelling of 45415043 in words is "forty-five million, four hundred fifteen thousand, forty-three".