45554143213 has 4 divisors (see below), whose sum is σ = 46300932508. Its totient is φ = 44807353920.

The previous prime is 45554143157. The next prime is 45554143237. The reversal of 45554143213 is 31234145554.

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 17275684969 + 28278458244 = 131437^2 + 168162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45554143213 is a prime.

It is a super-4 number, since 4×45554143213⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554143273) 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, 373394556 + ... + 373394677.

It is an arithmetic number, because the mean of its divisors is an integer number (11575233127).

Almost surely, 2^45554143213 is an apocalyptic number.

It is an amenable number.

45554143213 is a deficient number, since it is larger than the sum of its proper divisors (746789295).

45554143213 is an equidigital number, since it uses as much as digits as its factorization.

45554143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746789294.

The product of its digits is 144000, while the sum is 37.

Adding to 45554143213 its reverse (31234145554), we get a palindrome (76788288767).

The spelling of 45554143213 in words is "forty-five billion, five hundred fifty-four million, one hundred forty-three thousand, two hundred thirteen".