45236649 has 4 divisors (see below), whose sum is σ = 60315536. Its totient is φ = 30157764.

The previous prime is 45236647. The next prime is 45236651. The reversal of 45236649 is 94663254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45236647) and next prime (45236651).

It is not a de Polignac number, because 45236649 - 2¹ = 45236647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45236647) 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 in 3 ways as a sum of consecutive naturals, for example, 7539439 + ... + 7539444.

It is an arithmetic number, because the mean of its divisors is an integer number (15078884).

Almost surely, 2^45236649 is an apocalyptic number.

It is an amenable number.

45236649 is a deficient number, since it is larger than the sum of its proper divisors (15078887).

45236649 is a wasteful number, since it uses less digits than its factorization.

45236649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078886.

The product of its digits is 155520, while the sum is 39.

The square root of 45236649 is about 6725.8195783116. The cubic root of 45236649 is about 356.3117482379.

The spelling of 45236649 in words is "forty-five million, two hundred thirty-six thousand, six hundred forty-nine".