44155949 has 2 divisors, whose sum is σ = 44155950. Its totient is φ = 44155948.

The previous prime is 44155933. The next prime is 44155973. The reversal of 44155949 is 94955144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 2617924 = 6445^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 44155949 - 2⁴ = 44155933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44155999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22077974 + 22077975.

It is an arithmetic number, because the mean of its divisors is an integer number (22077975).

Almost surely, 2^44155949 is an apocalyptic number.

It is an amenable number.

44155949 is a deficient number, since it is larger than the sum of its proper divisors (1).

44155949 is an equidigital number, since it uses as much as digits as its factorization.

44155949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 44155949 is about 6644.9942814121. The cubic root of 44155949 is about 353.4514283265.

The spelling of 44155949 in words is "forty-four million, one hundred fifty-five thousand, nine hundred forty-nine".