45120230 has 32 divisors (see below), whose sum is σ = 84637440. Its totient is φ = 17297280.

The previous prime is 45120209. The next prime is 45120239. The reversal of 45120230 is 3202154.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45120199 and 45120208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45120239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45035 + ... + 46025.

It is an arithmetic number, because the mean of its divisors is an integer number (2644920).

Almost surely, 2^45120230 is an apocalyptic number.

45120230 is a deficient number, since it is larger than the sum of its proper divisors (39517210).

45120230 is a wasteful number, since it uses less digits than its factorization.

45120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 45120230 is about 6717.1593698527. The cubic root of 45120230 is about 356.0058230331.

Adding to 45120230 its reverse (3202154), we get a palindrome (48322384).

The spelling of 45120230 in words is "forty-five million, one hundred twenty thousand, two hundred thirty".