45523420 has 12 divisors (see below), whose sum is σ = 95599224. Its totient is φ = 18209360.

The previous prime is 45523409. The next prime is 45523421. The reversal of 45523420 is 2432554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45523421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138066 + ... + 1138105.

It is an arithmetic number, because the mean of its divisors is an integer number (7966602).

Almost surely, 2^45523420 is an apocalyptic number.

It is an amenable number.

45523420 is an abundant number, since it is smaller than the sum of its proper divisors (50075804).

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

45523420 is a wasteful number, since it uses less digits than its factorization.

45523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276180 (or 2276178 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45523420 is about 6747.1045641816. The cubic root of 45523420 is about 357.0630912146.

Adding to 45523420 its reverse (2432554), we get a palindrome (47955974).

The spelling of 45523420 in words is "forty-five million, five hundred twenty-three thousand, four hundred twenty".