44146147 has 2 divisors, whose sum is σ = 44146148. Its totient is φ = 44146146.

The previous prime is 44146117. The next prime is 44146153. The reversal of 44146147 is 74164144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44146147 is a prime.

It is not a weakly prime, because it can be changed into another prime (44146117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22073073 + 22073074.

It is an arithmetic number, because the mean of its divisors is an integer number (22073074).

Almost surely, 2^44146147 is an apocalyptic number.

44146147 is a deficient number, since it is larger than the sum of its proper divisors (1).

44146147 is an equidigital number, since it uses as much as digits as its factorization.

44146147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 31.

The square root of 44146147 is about 6644.2566928137. The cubic root of 44146147 is about 353.4252726414.

The spelling of 44146147 in words is "forty-four million, one hundred forty-six thousand, one hundred forty-seven".