45452130 has 32 divisors (see below), whose sum is σ = 110718144. Its totient is φ = 11939136.

The previous prime is 45452129. The next prime is 45452131. The reversal of 45452130 is 3125454.

45452130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45452129) and next prime (45452131).

It is a super-2 number, since 2×45452130² = 4131792243073800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45452130.

It is not an unprimeable number, because it can be changed into a prime (45452131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9297 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (3459942).

Almost surely, 2^45452130 is an apocalyptic number.

45452130 is an abundant number, since it is smaller than the sum of its proper divisors (65266014).

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

45452130 is a wasteful number, since it uses less digits than its factorization.

45452130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22690.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45452130 is about 6741.8194873491. The cubic root of 45452130 is about 356.8766060536.

Adding to 45452130 its reverse (3125454), we get a palindrome (48577584).

The spelling of 45452130 in words is "forty-five million, four hundred fifty-two thousand, one hundred thirty".