45543037 has 2 divisors, whose sum is σ = 45543038. Its totient is φ = 45543036.

The previous prime is 45543023. The next prime is 45543077. The reversal of 45543037 is 73034554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 16695396 = 5371^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 45543037 - 2⁷ = 45542909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45543007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771518 + 22771519.

It is an arithmetic number, because the mean of its divisors is an integer number (22771519).

Almost surely, 2^45543037 is an apocalyptic number.

It is an amenable number.

45543037 is a deficient number, since it is larger than the sum of its proper divisors (1).

45543037 is an equidigital number, since it uses as much as digits as its factorization.

45543037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 45543037 is about 6748.5581422997. The cubic root of 45543037 is about 357.1143725168.

The spelling of 45543037 in words is "forty-five million, five hundred forty-three thousand, thirty-seven".