45432229 has 2 divisors, whose sum is σ = 45432230. Its totient is φ = 45432228.

The previous prime is 45432193. The next prime is 45432239. The reversal of 45432229 is 92223454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 3247204 = 6495^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 45432229 - 2¹³ = 45424037 is a prime.

It is equal to p_2742790 and since 45432229 and 2742790 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45432229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45432239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22716114 + 22716115.

It is an arithmetic number, because the mean of its divisors is an integer number (22716115).

Almost surely, 2^45432229 is an apocalyptic number.

It is an amenable number.

45432229 is a deficient number, since it is larger than the sum of its proper divisors (1).

45432229 is an equidigital number, since it uses as much as digits as its factorization.

45432229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 45432229 is about 6740.3433888786. The cubic root of 45432229 is about 356.8245128723.

The spelling of 45432229 in words is "forty-five million, four hundred thirty-two thousand, two hundred twenty-nine".