45155830 has 16 divisors (see below), whose sum is σ = 81373104. Its totient is φ = 18041760.

The previous prime is 45155783. The next prime is 45155833. The reversal of 45155830 is 3855154.

45155830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45155792 and 45155801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220 + ... + 13240.

It is an arithmetic number, because the mean of its divisors is an integer number (5085819).

Almost surely, 2^45155830 is an apocalyptic number.

45155830 is a deficient number, since it is larger than the sum of its proper divisors (36217274).

45155830 is a wasteful number, since it uses less digits than its factorization.

45155830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 45155830 is about 6719.8087770412. The cubic root of 45155830 is about 356.0994283150.

The spelling of 45155830 in words is "forty-five million, one hundred fifty-five thousand, eight hundred thirty".