44472146 has 4 divisors (see below), whose sum is σ = 66708222. Its totient is φ = 22236072.

The previous prime is 44472139. The next prime is 44472149. The reversal of 44472146 is 64127444.

44472146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43494025 + 978121 = 6595^2 + 989^2 .

It is not an unprimeable number, because it can be changed into a prime (44472149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11118035 + ... + 11118038.

Almost surely, 2^44472146 is an apocalyptic number.

44472146 is a deficient number, since it is larger than the sum of its proper divisors (22236076).

44472146 is a wasteful number, since it uses less digits than its factorization.

44472146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22236075.

The product of its digits is 21504, while the sum is 32.

The square root of 44472146 is about 6668.7439596974. The cubic root of 44472146 is about 354.2931010148.

The spelling of 44472146 in words is "forty-four million, four hundred seventy-two thousand, one hundred forty-six".