45171751 has 2 divisors, whose sum is σ = 45171752. Its totient is φ = 45171750.

The previous prime is 45171733. The next prime is 45171767. The reversal of 45171751 is 15717154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45171751 - 2¹⁷ = 45040679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45174751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585875 + 22585876.

It is an arithmetic number, because the mean of its divisors is an integer number (22585876).

Almost surely, 2^45171751 is an apocalyptic number.

45171751 is a deficient number, since it is larger than the sum of its proper divisors (1).

45171751 is an equidigital number, since it uses as much as digits as its factorization.

45171751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 31.

The square root of 45171751 is about 6720.9933045644. The cubic root of 45171751 is about 356.1412744643.

The spelling of 45171751 in words is "forty-five million, one hundred seventy-one thousand, seven hundred fifty-one".