45540637 has 8 divisors (see below), whose sum is σ = 48940416. Its totient is φ = 42220992.

The previous prime is 45540631. The next prime is 45540641. The reversal of 45540637 is 73604554.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45540637 - 2¹¹ = 45538589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540631) 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, 18853 + ... + 21130.

It is an arithmetic number, because the mean of its divisors is an integer number (6117552).

Almost surely, 2^45540637 is an apocalyptic number.

It is an amenable number.

45540637 is a deficient number, since it is larger than the sum of its proper divisors (3399779).

45540637 is a wasteful number, since it uses less digits than its factorization.

45540637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 45540637 is about 6748.3803241963. The cubic root of 45540637 is about 357.1080994060.

The spelling of 45540637 in words is "forty-five million, five hundred forty thousand, six hundred thirty-seven".