15454645000 has 80 divisors (see below), whose sum is σ = 36258393600. Its totient is φ = 6173640000.

The previous prime is 15454644979. The next prime is 15454645009. The reversal of 15454645000 is 54645451.

It is not an unprimeable number, because it can be changed into a prime (15454645009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4953441 + ... + 4956559.

It is an arithmetic number, because the mean of its divisors is an integer number (453229920).

Almost surely, 2^15454645000 is an apocalyptic number.

15454645000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15454645000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18129196800).

15454645000 is an abundant number, since it is smaller than the sum of its proper divisors (20803748600).

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

15454645000 is an equidigital number, since it uses as much as digits as its factorization.

15454645000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 15454645000 in words is "fifteen billion, four hundred fifty-four million, six hundred forty-five thousand".