354345145181 has 2 divisors, whose sum is σ = 354345145182. Its totient is φ = 354345145180.

The previous prime is 354345145169. The next prime is 354345145247. The reversal of 354345145181 is 181541543453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342652183225 + 11692961956 = 585365^2 + 108134^2 .

It is a cyclic number.

It is not a de Polignac number, because 354345145181 - 2¹⁸ = 354344883037 is a prime.

It is a super-2 number, since 2×354345145181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354345135181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177172572590 + 177172572591.

It is an arithmetic number, because the mean of its divisors is an integer number (177172572591).

Almost surely, 2^354345145181 is an apocalyptic number.

It is an amenable number.

354345145181 is a deficient number, since it is larger than the sum of its proper divisors (1).

354345145181 is an equidigital number, since it uses as much as digits as its factorization.

354345145181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576000, while the sum is 44.

The spelling of 354345145181 in words is "three hundred fifty-four billion, three hundred forty-five million, one hundred forty-five thousand, one hundred eighty-one".