45273099 has 4 divisors (see below), whose sum is σ = 60364136. Its totient is φ = 30182064.

The previous prime is 45273073. The next prime is 45273103. The reversal of 45273099 is 99037254.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45273099 - 2¹⁵ = 45240331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45272099) 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, 7545514 + ... + 7545519.

It is an arithmetic number, because the mean of its divisors is an integer number (15091034).

Almost surely, 2^45273099 is an apocalyptic number.

45273099 is a deficient number, since it is larger than the sum of its proper divisors (15091037).

45273099 is a wasteful number, since it uses less digits than its factorization.

45273099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091036.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 45273099 is about 6728.5287396280. The cubic root of 45273099 is about 356.4074234391.

It can be divided in two parts, 4527 and 3099, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 45273099 in words is "forty-five million, two hundred seventy-three thousand, ninety-nine".