45220534 has 8 divisors (see below), whose sum is σ = 67895928. Its totient is φ = 22588560.

The previous prime is 45220531. The next prime is 45220543. The reversal of 45220534 is 43502254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 45220499 and 45220508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45220531) 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 3 ways as a sum of consecutive naturals, for example, 8112 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (8486991).

Almost surely, 2^45220534 is an apocalyptic number.

45220534 is a deficient number, since it is larger than the sum of its proper divisors (22675394).

45220534 is a wasteful number, since it uses less digits than its factorization.

45220534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21710.

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

The square root of 45220534 is about 6724.6214763360. The cubic root of 45220534 is about 356.2694326529.

Adding to 45220534 its reverse (43502254), we get a palindrome (88722788).

It can be divided in two parts, 45220 and 534, that added together give a palindrome (45754).

The spelling of 45220534 in words is "forty-five million, two hundred twenty thousand, five hundred thirty-four".