1304145422 has 8 divisors (see below), whose sum is σ = 1957705200. Its totient is φ = 651577024.

The previous prime is 1304145421. The next prime is 1304145539. The reversal of 1304145422 is 2245414031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1304145391 and 1304145400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304145421) 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, 244547 + ... + 249822.

It is an arithmetic number, because the mean of its divisors is an integer number (244713150).

Almost surely, 2^1304145422 is an apocalyptic number.

1304145422 is a deficient number, since it is larger than the sum of its proper divisors (653559778).

1304145422 is a wasteful number, since it uses less digits than its factorization.

1304145422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495690.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1304145422 is about 36112.9536593173. The cubic root of 1304145422 is about 1092.5517250042.

Adding to 1304145422 its reverse (2245414031), we get a palindrome (3549559453).

The spelling of 1304145422 in words is "one billion, three hundred four million, one hundred forty-five thousand, four hundred twenty-two".