45091246 has 4 divisors (see below), whose sum is σ = 67636872. Its totient is φ = 22545622.

The previous prime is 45091243. The next prime is 45091253. The reversal of 45091246 is 64219054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64219054 = 2 ⋅32109527.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45091243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272810 + ... + 11272813.

It is an arithmetic number, because the mean of its divisors is an integer number (16909218).

Almost surely, 2^45091246 is an apocalyptic number.

45091246 is a deficient number, since it is larger than the sum of its proper divisors (22545626).

45091246 is a wasteful number, since it uses less digits than its factorization.

45091246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22545625.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 45091246 is about 6715.0015636633. The cubic root of 45091246 is about 355.9295772413.

The spelling of 45091246 in words is "forty-five million, ninety-one thousand, two hundred forty-six".