421300045 has 8 divisors (see below), whose sum is σ = 505855224. Its totient is φ = 336843264.

The previous prime is 421300043. The next prime is 421300049. The reversal of 421300045 is 540003124.

It can be written as a sum of positive squares in 4 ways, for example, as 5262436 + 416037609 = 2294^2 + 20397^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 421300045 - 2¹ = 421300043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421299995 and 421300031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421300043) 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, 14824 + ... + 32593.

It is an arithmetic number, because the mean of its divisors is an integer number (63231903).

Almost surely, 2^421300045 is an apocalyptic number.

It is an amenable number.

421300045 is a deficient number, since it is larger than the sum of its proper divisors (84555179).

421300045 is a wasteful number, since it uses less digits than its factorization.

421300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49199.

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

The square root of 421300045 is about 20525.5948756668. The cubic root of 421300045 is about 749.6591310272.

Adding to 421300045 its reverse (540003124), we get a palindrome (961303169).

The spelling of 421300045 in words is "four hundred twenty-one million, three hundred thousand, forty-five".