45188235861 has 8 divisors (see below), whose sum is σ = 62870589120. Its totient is φ = 28815686592.

The previous prime is 45188235847. The next prime is 45188235881. The reversal of 45188235861 is 16853288154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45188235861 - 2¹⁷ = 45188104789 is a prime.

It is a super-2 number, since 2×45188235861² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45188235881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327450916 + ... + 327451053.

It is an arithmetic number, because the mean of its divisors is an integer number (7858823640).

Almost surely, 2^45188235861 is an apocalyptic number.

It is an amenable number.

45188235861 is a deficient number, since it is larger than the sum of its proper divisors (17682353259).

45188235861 is a wasteful number, since it uses less digits than its factorization.

45188235861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654901995.

The product of its digits is 1843200, while the sum is 51.

The spelling of 45188235861 in words is "forty-five billion, one hundred eighty-eight million, two hundred thirty-five thousand, eight hundred sixty-one".