45388617 has 8 divisors (see below), whose sum is σ = 61660224. Its totient is φ = 29688048.

The previous prime is 45388559. The next prime is 45388621. The reversal of 45388617 is 71688354.

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

It is not a de Polignac number, because 45388617 - 2¹⁰ = 45387593 is a prime.

It is a super-3 number, since 3×45388617³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45388627) 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, 142573 + ... + 142890.

It is an arithmetic number, because the mean of its divisors is an integer number (7707528).

Almost surely, 2^45388617 is an apocalyptic number.

It is an amenable number.

45388617 is a deficient number, since it is larger than the sum of its proper divisors (16271607).

45388617 is a wasteful number, since it uses less digits than its factorization.

45388617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285519.

The product of its digits is 161280, while the sum is 42.

The square root of 45388617 is about 6737.1074653741. The cubic root of 45388617 is about 356.7103001713.

The spelling of 45388617 in words is "forty-five million, three hundred eighty-eight thousand, six hundred seventeen".