45245623 has 8 divisors (see below), whose sum is σ = 48104928. Its totient is φ = 42460704.

The previous prime is 45245617. The next prime is 45245633. The reversal of 45245623 is 32654254.

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 45245623 - 2⁹ = 45245111 is a prime.

It is a super-3 number, since 3×45245623³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45245633) 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, 17340 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (6013116).

Almost surely, 2^45245623 is an apocalyptic number.

45245623 is a deficient number, since it is larger than the sum of its proper divisors (2859305).

45245623 is a wasteful number, since it uses less digits than its factorization.

45245623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37193.

The product of its digits is 28800, while the sum is 31.

The square root of 45245623 is about 6726.4866758212. The cubic root of 45245623 is about 356.3353082663.

Adding to 45245623 its reverse (32654254), we get a palindrome (77899877).

The spelling of 45245623 in words is "forty-five million, two hundred forty-five thousand, six hundred twenty-three".