45135073 has 2 divisors, whose sum is σ = 45135074. Its totient is φ = 45135072.

The previous prime is 45135067. The next prime is 45135121. The reversal of 45135073 is 37053154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42419169 + 2715904 = 6513^2 + 1648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45135073 is a prime.

It is not a weakly prime, because it can be changed into another prime (45135043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567536 + 22567537.

It is an arithmetic number, because the mean of its divisors is an integer number (22567537).

Almost surely, 2^45135073 is an apocalyptic number.

It is an amenable number.

45135073 is a deficient number, since it is larger than the sum of its proper divisors (1).

45135073 is an equidigital number, since it uses as much as digits as its factorization.

45135073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 45135073 is about 6718.2641359208. The cubic root of 45135073 is about 356.0448566337.

It can be divided in two parts, 4513507 and 3, that added together give a triangular number (4513510 = T₃₀₀₄).

The spelling of 45135073 in words is "forty-five million, one hundred thirty-five thousand, seventy-three".