44145407 has 2 divisors, whose sum is σ = 44145408. Its totient is φ = 44145406.

The previous prime is 44145389. The next prime is 44145419. The reversal of 44145407 is 70454144.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44145407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44145407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44145467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072703 + 22072704.

It is an arithmetic number, because the mean of its divisors is an integer number (22072704).

Almost surely, 2^44145407 is an apocalyptic number.

44145407 is a deficient number, since it is larger than the sum of its proper divisors (1).

44145407 is an equidigital number, since it uses as much as digits as its factorization.

44145407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 44145407 is about 6644.2010053881. The cubic root of 44145407 is about 353.4232978661.

It can be divided in two parts, 44145 and 407, that multiplied together give a triangular number (17967015 = T₅₉₉₄).

The spelling of 44145407 in words is "forty-four million, one hundred forty-five thousand, four hundred seven".