44148069 has 18 divisors (see below), whose sum is σ = 74181510. Its totient is φ = 25227216.

The previous prime is 44148053. The next prime is 44148073. The reversal of 44148069 is 96084144.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28227969 + 15920100 = 5313^2 + 3990^2 .

It is not a de Polignac number, because 44148069 - 2⁴ = 44148053 is a prime.

It is a super-2 number, since 2×44148069² = 3898103992857522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44148019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49614 + ... + 50495.

It is an arithmetic number, because the mean of its divisors is an integer number (4121195).

Almost surely, 2^44148069 is an apocalyptic number.

44148069 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

44148069 is a deficient number, since it is larger than the sum of its proper divisors (30033441).

44148069 is a wasteful number, since it uses less digits than its factorization.

44148069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100129 (or 100119 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 44148069 is about 6644.4013274335. The cubic root of 44148069 is about 353.4304016169.

The spelling of 44148069 in words is "forty-four million, one hundred forty-eight thousand, sixty-nine".