1230145304 has 16 divisors (see below), whose sum is σ = 2362779720. Its totient is φ = 600070720.

The previous prime is 1230145297. The next prime is 1230145307. The reversal of 1230145304 is 4035410321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230145304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230145307) 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, 1874894 + ... + 1875549.

Almost surely, 2^1230145304 is an apocalyptic number.

It is an amenable number.

1230145304 is a deficient number, since it is larger than the sum of its proper divisors (1132634416).

1230145304 is a wasteful number, since it uses less digits than its factorization.

1230145304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750490 (or 3750486 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1230145304 is about 35073.4273204088. The cubic root of 1230145304 is about 1071.4834590057.

Adding to 1230145304 its reverse (4035410321), we get a palindrome (5265555625).

The spelling of 1230145304 in words is "one billion, two hundred thirty million, one hundred forty-five thousand, three hundred four".