45546867128 has 64 divisors (see below), whose sum is σ = 99361080000. Its totient is φ = 19170911232.

The previous prime is 45546867097. The next prime is 45546867131. The reversal of 45546867128 is 82176864554.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 711950 + ... + 773282.

It is an arithmetic number, because the mean of its divisors is an integer number (1552516875).

Almost surely, 2^45546867128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45546867128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49680540000).

45546867128 is an abundant number, since it is smaller than the sum of its proper divisors (53814212872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45546867128 is a wasteful number, since it uses less digits than its factorization.

45546867128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61584 (or 61580 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 56.

The spelling of 45546867128 in words is "forty-five billion, five hundred forty-six million, eight hundred sixty-seven thousand, one hundred twenty-eight".