44457146 has 8 divisors (see below), whose sum is σ = 67599444. Its totient is φ = 21924000.

The previous prime is 44457143. The next prime is 44457151. The reversal of 44457146 is 64175444.

It can be written as a sum of positive squares in 2 ways, for example, as 38576521 + 5880625 = 6211^2 + 2425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (44457143) 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, 152105 + ... + 152396.

Almost surely, 2^44457146 is an apocalyptic number.

44457146 is a deficient number, since it is larger than the sum of its proper divisors (23142298).

44457146 is a wasteful number, since it uses less digits than its factorization.

44457146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304576.

The product of its digits is 53760, while the sum is 35.

The square root of 44457146 is about 6667.6192152822. The cubic root of 44457146 is about 354.2532633890.

The spelling of 44457146 in words is "forty-four million, four hundred fifty-seven thousand, one hundred forty-six".