45771229 has 4 divisors (see below), whose sum is σ = 52309984. Its totient is φ = 39232476.

The previous prime is 45771217. The next prime is 45771233. The reversal of 45771229 is 92217754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45771229 - 2¹⁹ = 45246941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45771239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269367 + ... + 3269380.

It is an arithmetic number, because the mean of its divisors is an integer number (13077496).

Almost surely, 2^45771229 is an apocalyptic number.

It is an amenable number.

45771229 is a deficient number, since it is larger than the sum of its proper divisors (6538755).

45771229 is an equidigital number, since it uses as much as digits as its factorization.

45771229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538754.

The product of its digits is 35280, while the sum is 37.

The square root of 45771229 is about 6765.4437400661. The cubic root of 45771229 is about 357.7098160336.

The spelling of 45771229 in words is "forty-five million, seven hundred seventy-one thousand, two hundred twenty-nine".