45309614 has 24 divisors (see below), whose sum is σ = 79568400. Its totient is φ = 19342848.

The previous prime is 45309577. The next prime is 45309619. The reversal of 45309614 is 41690354.

It is a super-2 number, since 2×45309614² = 4105922241657992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45309619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176174 + ... + 176430.

It is an arithmetic number, because the mean of its divisors is an integer number (3315350).

Almost surely, 2^45309614 is an apocalyptic number.

45309614 is a deficient number, since it is larger than the sum of its proper divisors (34258786).

45309614 is an frugal number, since it uses more digits than its factorization.

45309614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 45309614 is about 6731.2416388063. The cubic root of 45309614 is about 356.5032177780.

Adding to 45309614 its reverse (41690354), we get a palindrome (86999968).

The spelling of 45309614 in words is "forty-five million, three hundred nine thousand, six hundred fourteen".