45012517 has 8 divisors (see below), whose sum is σ = 49480992. Its totient is φ = 40606800.

The previous prime is 45012491. The next prime is 45012523. The reversal of 45012517 is 71521054.

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 45012517 - 2¹⁵ = 44979749 is a prime.

It is a super-2 number, since 2×45012517² = 4052253373350578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45012491 and 45012500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45013517) 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, 14178 + ... + 17059.

It is an arithmetic number, because the mean of its divisors is an integer number (6185124).

Almost surely, 2^45012517 is an apocalyptic number.

It is an amenable number.

45012517 is a deficient number, since it is larger than the sum of its proper divisors (4468475).

45012517 is a wasteful number, since it uses less digits than its factorization.

45012517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31379.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 45012517 is about 6709.1368297271. The cubic root of 45012517 is about 355.7223063795.

The spelling of 45012517 in words is "forty-five million, twelve thousand, five hundred seventeen".