45133237 has 2 divisors, whose sum is σ = 45133238. Its totient is φ = 45133236.

The previous prime is 45133223. The next prime is 45133267. The reversal of 45133237 is 73233154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42850116 + 2283121 = 6546^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 45133237 - 2¹¹ = 45131189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45133267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22566618 + 22566619.

It is an arithmetic number, because the mean of its divisors is an integer number (22566619).

Almost surely, 2^45133237 is an apocalyptic number.

It is an amenable number.

45133237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45133237 is an equidigital number, since it uses as much as digits as its factorization.

45133237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 45133237 is about 6718.1274920918. The cubic root of 45133237 is about 356.0400288491.

It can be divided in two parts, 4513 and 3237, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 45133237 in words is "forty-five million, one hundred thirty-three thousand, two hundred thirty-seven".