45554143237 has 2 divisors, whose sum is σ = 45554143238. Its totient is φ = 45554143236.

The previous prime is 45554143157. The next prime is 45554143247. The reversal of 45554143237 is 73234145554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42249158116 + 3304985121 = 205546^2 + 57489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45554143237 is a prime.

It is a super-2 number, since 2×45554143237² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45554143193 and 45554143202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45554143247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22777071618 + 22777071619.

It is an arithmetic number, because the mean of its divisors is an integer number (22777071619).

Almost surely, 2^45554143237 is an apocalyptic number.

It is an amenable number.

45554143237 is a deficient number, since it is larger than the sum of its proper divisors (1).

45554143237 is an equidigital number, since it uses as much as digits as its factorization.

45554143237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 43.

The spelling of 45554143237 in words is "forty-five billion, five hundred fifty-four million, one hundred forty-three thousand, two hundred thirty-seven".