45473641 has 2 divisors, whose sum is σ = 45473642. Its totient is φ = 45473640.

The previous prime is 45473591. The next prime is 45473663. The reversal of 45473641 is 14637454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 2190400 = 6579^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 45473641 - 2¹¹ = 45471593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45473597 and 45473606.

It is not a weakly prime, because it can be changed into another prime (45473041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22736820 + 22736821.

It is an arithmetic number, because the mean of its divisors is an integer number (22736821).

Almost surely, 2^45473641 is an apocalyptic number.

It is an amenable number.

45473641 is a deficient number, since it is larger than the sum of its proper divisors (1).

45473641 is an equidigital number, since it uses as much as digits as its factorization.

45473641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 45473641 is about 6743.4146394835. The cubic root of 45473641 is about 356.9328964990.

The spelling of 45473641 in words is "forty-five million, four hundred seventy-three thousand, six hundred forty-one".