45546972190 has 8 divisors (see below), whose sum is σ = 81984549960. Its totient is φ = 18218788872.

The previous prime is 45546972113. The next prime is 45546972199. The reversal of 45546972190 is 9127964554.

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

It is a super-2 number, since 2×45546972190² (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 (45546972199) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2277348600 + ... + 2277348619.

It is an arithmetic number, because the mean of its divisors is an integer number (10248068745).

Almost surely, 2^45546972190 is an apocalyptic number.

45546972190 is a deficient number, since it is larger than the sum of its proper divisors (36437577770).

45546972190 is a wasteful number, since it uses less digits than its factorization.

45546972190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554697226.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 45546972190 in words is "forty-five billion, five hundred forty-six million, nine hundred seventy-two thousand, one hundred ninety".