45170420 has 12 divisors (see below), whose sum is σ = 94857924. Its totient is φ = 18068160.

The previous prime is 45170417. The next prime is 45170423. The reversal of 45170420 is 2407154.

It is an interprime number because it is at equal distance from previous prime (45170417) and next prime (45170423).

It can be written as a sum of positive squares in 2 ways, for example, as 29138404 + 16032016 = 5398^2 + 4004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45170423) 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, 1129241 + ... + 1129280.

It is an arithmetic number, because the mean of its divisors is an integer number (7904827).

Almost surely, 2^45170420 is an apocalyptic number.

It is an amenable number.

45170420 is an abundant number, since it is smaller than the sum of its proper divisors (49687504).

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

45170420 is a wasteful number, since it uses less digits than its factorization.

45170420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258530 (or 2258528 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 45170420 is about 6720.8942857331. The cubic root of 45170420 is about 356.1377764913.

Adding to 45170420 its reverse (2407154), we get a palindrome (47577574).

The spelling of 45170420 in words is "forty-five million, one hundred seventy thousand, four hundred twenty".