45023430 has 16 divisors (see below), whose sum is σ = 108056304. Its totient is φ = 12006240.

The previous prime is 45023417. The next prime is 45023437. The reversal of 45023430 is 3432054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45023397 and 45023406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750361 + ... + 750420.

It is an arithmetic number, because the mean of its divisors is an integer number (6753519).

Almost surely, 2^45023430 is an apocalyptic number.

45023430 is an abundant number, since it is smaller than the sum of its proper divisors (63032874).

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

45023430 is a wasteful number, since it uses less digits than its factorization.

45023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500791.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45023430 is about 6709.9500743299. The cubic root of 45023430 is about 355.7510515975.

Adding to 45023430 its reverse (3432054), we get a palindrome (48455484).

The spelling of 45023430 in words is "forty-five million, twenty-three thousand, four hundred thirty".