45031043 has 2 divisors, whose sum is σ = 45031044. Its totient is φ = 45031042.

The previous prime is 45031039. The next prime is 45031073. The reversal of 45031043 is 34013054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45031043 - 2² = 45031039 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (45031013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22515521 + 22515522.

It is an arithmetic number, because the mean of its divisors is an integer number (22515522).

Almost surely, 2^45031043 is an apocalyptic number.

45031043 is a deficient number, since it is larger than the sum of its proper divisors (1).

45031043 is an equidigital number, since it uses as much as digits as its factorization.

45031043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45031043 is about 6710.5173422025. The cubic root of 45031043 is about 355.7711017516.

Adding to 45031043 its reverse (34013054), we get a palindrome (79044097).

The spelling of 45031043 in words is "forty-five million, thirty-one thousand, forty-three".