45402041 has 2 divisors, whose sum is σ = 45402042. Its totient is φ = 45402040.

The previous prime is 45402029. The next prime is 45402059. The reversal of 45402041 is 14020454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 20611600 = 4979^2 + 4540^2 .

It is a cyclic number.

It is not a de Polignac number, because 45402041 - 2¹⁴ = 45385657 is a prime.

It is a super-2 number, since 2×45402041² = 4122690653931362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45402061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701020 + 22701021.

It is an arithmetic number, because the mean of its divisors is an integer number (22701021).

Almost surely, 2^45402041 is an apocalyptic number.

It is an amenable number.

45402041 is a deficient number, since it is larger than the sum of its proper divisors (1).

45402041 is an equidigital number, since it uses as much as digits as its factorization.

45402041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45402041 is about 6738.1036649787. The cubic root of 45402041 is about 356.7454632245.

Adding to 45402041 its reverse (14020454), we get a palindrome (59422495).

It can be divided in two parts, 4 and 5402041, that added together give a palindrome (5402045).

The spelling of 45402041 in words is "forty-five million, four hundred two thousand, forty-one".