140001545000 has 160 divisors (see below), whose sum is σ = 348859110600. Its totient is φ = 52472832000.

The previous prime is 140001544987. The next prime is 140001545023. The reversal of 140001545000 is 545100041.

It can be written as a sum of positive squares in 20 ways, for example, as 67005393316 + 72996151684 = 258854^2 + 270178^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19801466 + ... + 19808534.

Almost surely, 2^140001545000 is an apocalyptic number.

140001545000 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 140001545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174429555300).

140001545000 is an abundant number, since it is smaller than the sum of its proper divisors (208857565600).

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

140001545000 is a wasteful number, since it uses less digits than its factorization.

140001545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7326 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 140001545000 its reverse (545100041), we get a palindrome (140546645041).

The spelling of 140001545000 in words is "one hundred forty billion, one million, five hundred forty-five thousand".