45134420 has 12 divisors (see below), whose sum is σ = 94782324. Its totient is φ = 18053760.

The previous prime is 45134417. The next prime is 45134423. The reversal of 45134420 is 2443154.

It is an interprime number because it is at equal distance from previous prime (45134417) and next prime (45134423).

It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 37136836 = 2828^2 + 6094^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45134423) 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, 1128341 + ... + 1128380.

It is an arithmetic number, because the mean of its divisors is an integer number (7898527).

Almost surely, 2^45134420 is an apocalyptic number.

It is an amenable number.

45134420 is an abundant number, since it is smaller than the sum of its proper divisors (49647904).

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

45134420 is a wasteful number, since it uses less digits than its factorization.

45134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256730 (or 2256728 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45134420 is about 6718.2155368818. The cubic root of 45134420 is about 356.0431395771.

Adding to 45134420 its reverse (2443154), we get a palindrome (47577574).

It can be divided in two parts, 45134 and 420, that added together give a palindrome (45554).

The spelling of 45134420 in words is "forty-five million, one hundred thirty-four thousand, four hundred twenty".