45533493 has 12 divisors (see below), whose sum is σ = 67375308. Its totient is φ = 29615040.

The previous prime is 45533489. The next prime is 45533503. The reversal of 45533493 is 39433554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25979409 + 19554084 = 5097^2 + 4422^2 .

It is not a de Polignac number, because 45533493 - 2² = 45533489 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45533473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61330 + ... + 62067.

It is an arithmetic number, because the mean of its divisors is an integer number (5614609).

Almost surely, 2^45533493 is an apocalyptic number.

It is an amenable number.

45533493 is a deficient number, since it is larger than the sum of its proper divisors (21841815).

45533493 is a wasteful number, since it uses less digits than its factorization.

45533493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123444 (or 123441 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 45533493 is about 6747.8509912416. The cubic root of 45533493 is about 357.0894251417.

The spelling of 45533493 in words is "forty-five million, five hundred thirty-three thousand, four hundred ninety-three".