1814145601 has 2 divisors, whose sum is σ = 1814145602. Its totient is φ = 1814145600.

The previous prime is 1814145587. The next prime is 1814145647. The reversal of 1814145601 is 1065414181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056575025 + 757570576 = 32505^2 + 27524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1814145601 is a prime.

It is a super-2 number, since 2×1814145601² = 6582248523255302402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1814145661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907072800 + 907072801.

It is an arithmetic number, because the mean of its divisors is an integer number (907072801).

Almost surely, 2^1814145601 is an apocalyptic number.

It is an amenable number.

1814145601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814145601 is an equidigital number, since it uses as much as digits as its factorization.

1814145601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1814145601 is about 42592.7881336735. The cubic root of 1814145601 is about 1219.6186214974.

Adding to 1814145601 its reverse (1065414181), we get a palindrome (2879559782).

The spelling of 1814145601 in words is "one billion, eight hundred fourteen million, one hundred forty-five thousand, six hundred one".