45273307 has 8 divisors (see below), whose sum is σ = 47072592. Its totient is φ = 43507200.

The previous prime is 45273287. The next prime is 45273313. The reversal of 45273307 is 70337254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45273307 is a prime.

It is a super-3 number, since 3×45273307³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45273317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494 + ... + 10987.

It is an arithmetic number, because the mean of its divisors is an integer number (5884074).

Almost surely, 2^45273307 is an apocalyptic number.

45273307 is the 5494-th pentagonal number.

45273307 is a deficient number, since it is larger than the sum of its proper divisors (1799285).

45273307 is a wasteful number, since it uses less digits than its factorization.

45273307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16589.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 45273307 is about 6728.5441961839. The cubic root of 45273307 is about 356.4079692572.

The spelling of 45273307 in words is "forty-five million, two hundred seventy-three thousand, three hundred seven".