44148081 has 4 divisors (see below), whose sum is σ = 58864112. Its totient is φ = 29432052.

The previous prime is 44148073. The next prime is 44148089. The reversal of 44148081 is 18084144.

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 an interprime number because it is at equal distance from previous prime (44148073) and next prime (44148089).

It is not a de Polignac number, because 44148081 - 2³ = 44148073 is a prime.

It is a super-2 number, since 2×44148081² = 3898106111965122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44148089) 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, 7358011 + ... + 7358016.

It is an arithmetic number, because the mean of its divisors is an integer number (14716028).

Almost surely, 2^44148081 is an apocalyptic number.

It is an amenable number.

44148081 is a deficient number, since it is larger than the sum of its proper divisors (14716031).

44148081 is a wasteful number, since it uses less digits than its factorization.

44148081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14716030.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 44148081 is about 6644.4022304493. The cubic root of 44148081 is about 353.4304336391.

The spelling of 44148081 in words is "forty-four million, one hundred forty-eight thousand, eighty-one".