45420130 has 16 divisors (see below), whose sum is σ = 93435840. Its totient is φ = 15572592.

The previous prime is 45420103. The next prime is 45420139. The reversal of 45420130 is 3102454.

It is a super-4 number, since 4×45420130⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45420098 and 45420107.

It is not an unprimeable number, because it can be changed into a prime (45420139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324360 + ... + 324499.

It is an arithmetic number, because the mean of its divisors is an integer number (5839740).

Almost surely, 2^45420130 is an apocalyptic number.

45420130 is an abundant number, since it is smaller than the sum of its proper divisors (48015710).

45420130 is a wasteful number, since it uses less digits than its factorization.

45420130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648873.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45420130 is about 6739.4458229145. The cubic root of 45420130 is about 356.7928348970.

Adding to 45420130 its reverse (3102454), we get a palindrome (48522584).

The spelling of 45420130 in words is "forty-five million, four hundred twenty thousand, one hundred thirty".