45300199981 has 2 divisors, whose sum is σ = 45300199982. Its totient is φ = 45300199980.

The previous prime is 45300199957. The next prime is 45300200017. The reversal of 45300199981 is 18999100354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27203224356 + 18096975625 = 164934^2 + 134525^2 .

It is a cyclic number.

It is not a de Polignac number, because 45300199981 - 2¹⁷ = 45300068909 is a prime.

It is a super-2 number, since 2×45300199981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45300139981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22650099990 + 22650099991.

It is an arithmetic number, because the mean of its divisors is an integer number (22650099991).

Almost surely, 2^45300199981 is an apocalyptic number.

It is an amenable number.

45300199981 is a deficient number, since it is larger than the sum of its proper divisors (1).

45300199981 is an equidigital number, since it uses as much as digits as its factorization.

45300199981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 45300199981 in words is "forty-five billion, three hundred million, one hundred ninety-nine thousand, nine hundred eighty-one".