45444437 has 2 divisors, whose sum is σ = 45444438. Its totient is φ = 45444436.

The previous prime is 45444401. The next prime is 45444449. The reversal of 45444437 is 73444454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 835396 = 6679^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 45444437 - 2¹⁶ = 45378901 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45444397 and 45444406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722218 + 22722219.

It is an arithmetic number, because the mean of its divisors is an integer number (22722219).

Almost surely, 2^45444437 is an apocalyptic number.

It is an amenable number.

45444437 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444437 is an equidigital number, since it uses as much as digits as its factorization.

45444437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 35.

The square root of 45444437 is about 6741.2489198961. The cubic root of 45444437 is about 356.8564705349.

The spelling of 45444437 in words is "forty-five million, four hundred forty-four thousand, four hundred thirty-seven".