45015229 has 4 divisors (see below), whose sum is σ = 51445984. Its totient is φ = 38584476.

The previous prime is 45015169. The next prime is 45015239. The reversal of 45015229 is 92251054.

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 not a de Polignac number, because 45015229 - 2¹⁵ = 44982461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45015197 and 45015206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015239) 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, 3215367 + ... + 3215380.

It is an arithmetic number, because the mean of its divisors is an integer number (12861496).

Almost surely, 2^45015229 is an apocalyptic number.

It is an amenable number.

45015229 is a deficient number, since it is larger than the sum of its proper divisors (6430755).

45015229 is an equidigital number, since it uses as much as digits as its factorization.

45015229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430754.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45015229 is about 6709.3389391206. The cubic root of 45015229 is about 355.7294503147.

It can be divided in two parts, 4501 and 5229, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 45015229 in words is "forty-five million, fifteen thousand, two hundred twenty-nine".