1814419296145 has 4 divisors (see below), whose sum is σ = 2177303155380. Its totient is φ = 1451535436912.

The previous prime is 1814419296121. The next prime is 1814419296149. The reversal of 1814419296145 is 5416929144181.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1010412967249 + 804006328896 = 1005193^2 + 896664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1814419296145 - 2¹¹ = 1814419294097 is a prime.

It is a super-2 number, since 2×1814419296145² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1814419296149) 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, 181441929610 + ... + 181441929619.

It is an arithmetic number, because the mean of its divisors is an integer number (544325788845).

Almost surely, 2^{1814419296145} is an apocalyptic number.

It is an amenable number.

1814419296145 is a deficient number, since it is larger than the sum of its proper divisors (362883859235).

1814419296145 is an equidigital number, since it uses as much as digits as its factorization.

1814419296145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362883859234.

The product of its digits is 2488320, while the sum is 55.

The spelling of 1814419296145 in words is "one trillion, eight hundred fourteen billion, four hundred nineteen million, two hundred ninety-six thousand, one hundred forty-five".