45212053 has 4 divisors (see below), whose sum is σ = 46314828. Its totient is φ = 44109280.

The previous prime is 45212051. The next prime is 45212059. The reversal of 45212053 is 35021254.

45212053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35021254 = 2 ⋅17510627.

It can be written as a sum of positive squares in 2 ways, for example, as 22344529 + 22867524 = 4727^2 + 4782^2 .

It is a cyclic number.

It is not a de Polignac number, because 45212053 - 2¹ = 45212051 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551326 + ... + 551407.

It is an arithmetic number, because the mean of its divisors is an integer number (11578707).

Almost surely, 2^45212053 is an apocalyptic number.

It is an amenable number.

45212053 is a deficient number, since it is larger than the sum of its proper divisors (1102775).

45212053 is a wasteful number, since it uses less digits than its factorization.

45212053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102774.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45212053 is about 6723.9908536523. The cubic root of 45212053 is about 356.2471587749.

The spelling of 45212053 in words is "forty-five million, two hundred twelve thousand, fifty-three".