45276349 has 4 divisors (see below), whose sum is σ = 45538236. Its totient is φ = 45014464.

The previous prime is 45276323. The next prime is 45276379. The reversal of 45276349 is 94367254.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28408900 + 16867449 = 5330^2 + 4107^2 .

It is a cyclic number.

It is not a de Polignac number, because 45276349 - 2¹⁵ = 45243581 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45276379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130684 + ... + 131029.

It is an arithmetic number, because the mean of its divisors is an integer number (11384559).

Almost surely, 2^45276349 is an apocalyptic number.

It is an amenable number.

45276349 is a deficient number, since it is larger than the sum of its proper divisors (261887).

45276349 is a wasteful number, since it uses less digits than its factorization.

45276349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261886.

The product of its digits is 181440, while the sum is 40.

The square root of 45276349 is about 6728.7702442571. The cubic root of 45276349 is about 356.4159516559.

The spelling of 45276349 in words is "forty-five million, two hundred seventy-six thousand, three hundred forty-nine".