45420234 has 32 divisors (see below), whose sum is σ = 92952384. Its totient is φ = 14791680.

The previous prime is 45420229. The next prime is 45420247. The reversal of 45420234 is 43202454.

45420234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45420234² = 4125995313229512, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70317 + ... + 70959.

It is an arithmetic number, because the mean of its divisors is an integer number (2904762).

Almost surely, 2^45420234 is an apocalyptic number.

45420234 is an abundant number, since it is smaller than the sum of its proper divisors (47532150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45420234 is a wasteful number, since it uses less digits than its factorization.

45420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45420234 is about 6739.4535386780. The cubic root of 45420234 is about 356.7931072170.

Adding to 45420234 its reverse (43202454), we get a palindrome (88622688).

It can be divided in two parts, 45420 and 234, that added together give a palindrome (45654).

The spelling of 45420234 in words is "forty-five million, four hundred twenty thousand, two hundred thirty-four".