45551484281 has 2 divisors, whose sum is σ = 45551484282. Its totient is φ = 45551484280.

The previous prime is 45551484193. The next prime is 45551484301. The reversal of 45551484281 is 18248415554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36712476025 + 8839008256 = 191605^2 + 94016^2 .

It is a cyclic number.

It is not a de Polignac number, because 45551484281 - 2³⁰ = 44477742457 is a prime.

It is a super-2 number, since 2×45551484281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45551414281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22775742140 + 22775742141.

It is an arithmetic number, because the mean of its divisors is an integer number (22775742141).

Almost surely, 2^45551484281 is an apocalyptic number.

It is an amenable number.

45551484281 is a deficient number, since it is larger than the sum of its proper divisors (1).

45551484281 is an equidigital number, since it uses as much as digits as its factorization.

45551484281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024000, while the sum is 47.

The spelling of 45551484281 in words is "forty-five billion, five hundred fifty-one million, four hundred eighty-four thousand, two hundred eighty-one".