44148893 has 2 divisors, whose sum is σ = 44148894. Its totient is φ = 44148892.

The previous prime is 44148889. The next prime is 44148899. The reversal of 44148893 is 39884144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 85849 = 6638^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 44148893 - 2² = 44148889 is a prime.

It is equal to p_2669783 and since 44148893 and 2669783 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44148893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44148899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22074446 + 22074447.

It is an arithmetic number, because the mean of its divisors is an integer number (22074447).

Almost surely, 2^44148893 is an apocalyptic number.

It is an amenable number.

44148893 is a deficient number, since it is larger than the sum of its proper divisors (1).

44148893 is an equidigital number, since it uses as much as digits as its factorization.

44148893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 44148893 is about 6644.4633342355. The cubic root of 44148893 is about 353.4326004661.

The spelling of 44148893 in words is "forty-four million, one hundred forty-eight thousand, eight hundred ninety-three".