1421814945 has 8 divisors (see below), whose sum is σ = 2274903936. Its totient is φ = 758301296.

The previous prime is 1421814937. The next prime is 1421814949. The reversal of 1421814945 is 5494181241.

1421814945 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1421814945 - 2³ = 1421814937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421814949) 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, 47393817 + ... + 47393846.

It is an arithmetic number, because the mean of its divisors is an integer number (284362992).

Almost surely, 2^1421814945 is an apocalyptic number.

1421814945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421814945 is a deficient number, since it is larger than the sum of its proper divisors (853088991).

1421814945 is an equidigital number, since it uses as much as digits as its factorization.

1421814945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94787671.

The product of its digits is 46080, while the sum is 39.

The square root of 1421814945 is about 37706.9614925414. The cubic root of 1421814945 is about 1124.4695296602.

The spelling of 1421814945 in words is "one billion, four hundred twenty-one million, eight hundred fourteen thousand, nine hundred forty-five".