45512341858 has 4 divisors (see below), whose sum is σ = 68268512790. Its totient is φ = 22756170928.

The previous prime is 45512341817. The next prime is 45512341883. The reversal of 45512341858 is 85814321554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44202119049 + 1310222809 = 210243^2 + 36197^2 .

It is a super-2 number, since 2×45512341858² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 11378085463 + ... + 11378085466.

Almost surely, 2^45512341858 is an apocalyptic number.

45512341858 is a deficient number, since it is larger than the sum of its proper divisors (22756170932).

45512341858 is a wasteful number, since it uses less digits than its factorization.

45512341858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22756170931.

The product of its digits is 768000, while the sum is 46.

The spelling of 45512341858 in words is "forty-five billion, five hundred twelve million, three hundred forty-one thousand, eight hundred fifty-eight".