45533639 has 2 divisors, whose sum is σ = 45533640. Its totient is φ = 45533638.

The previous prime is 45533581. The next prime is 45533641. The reversal of 45533639 is 93633554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45533639 - 2¹² = 45529543 is a prime.

Together with 45533641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45533339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22766819 + 22766820.

It is an arithmetic number, because the mean of its divisors is an integer number (22766820).

Almost surely, 2^45533639 is an apocalyptic number.

45533639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45533639 is an equidigital number, since it uses as much as digits as its factorization.

45533639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 38.

The square root of 45533639 is about 6747.8618094920. The cubic root of 45533639 is about 357.0898068021.

It can be divided in two parts, 4553 and 3639, that added together give a 13-th power (8192 = 2¹³).

The spelling of 45533639 in words is "forty-five million, five hundred thirty-three thousand, six hundred thirty-nine".