45394130 has 8 divisors (see below), whose sum is σ = 81709452. Its totient is φ = 18157648.

The previous prime is 45394123. The next prime is 45394133. The reversal of 45394130 is 3149354.

It can be written as a sum of positive squares in 2 ways, for example, as 44582329 + 811801 = 6677^2 + 901^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45394093 and 45394102.

It is not an unprimeable number, because it can be changed into a prime (45394133) 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, 2269697 + ... + 2269716.

Almost surely, 2^45394130 is an apocalyptic number.

45394130 is a deficient number, since it is larger than the sum of its proper divisors (36315322).

45394130 is a wasteful number, since it uses less digits than its factorization.

45394130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539420.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 45394130 is about 6737.5166048033. The cubic root of 45394130 is about 356.7247418558.

The spelling of 45394130 in words is "forty-five million, three hundred ninety-four thousand, one hundred thirty".