45539331 has 8 divisors (see below), whose sum is σ = 60762384. Its totient is φ = 30337920.

The previous prime is 45539323. The next prime is 45539353. The reversal of 45539331 is 13393554.

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

It is not a de Polignac number, because 45539331 - 2³ = 45539323 is a prime.

It is a super-2 number, since 2×45539331² = 4147661335855122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45539292 and 45539301.

It is not an unprimeable number, because it can be changed into a prime (45539321) 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 7 ways as a sum of consecutive naturals, for example, 391 + ... + 9551.

It is an arithmetic number, because the mean of its divisors is an integer number (7595298).

Almost surely, 2^45539331 is an apocalyptic number.

45539331 is a deficient number, since it is larger than the sum of its proper divisors (15223053).

45539331 is a wasteful number, since it uses less digits than its factorization.

45539331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821.

The product of its digits is 24300, while the sum is 33.

The square root of 45539331 is about 6748.2835595431. The cubic root of 45539331 is about 357.1046856956.

The spelling of 45539331 in words is "forty-five million, five hundred thirty-nine thousand, three hundred thirty-one".