140145354400 has 36 divisors (see below), whose sum is σ = 342129848382. Its totient is φ = 56058141440.

The previous prime is 140145354347. The next prime is 140145354403. The reversal of 140145354400 is 4453541041.

It can be written as a sum of positive squares in 3 ways, for example, as 70328918416 + 69816435984 = 265196^2 + 264228^2 .

It is not an unprimeable number, because it can be changed into a prime (140145354403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87590047 + ... + 87591646.

Almost surely, 2^140145354400 is an apocalyptic number.

140145354400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140145354400 is an abundant number, since it is smaller than the sum of its proper divisors (201984493982).

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

140145354400 is a wasteful number, since it uses less digits than its factorization.

140145354400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175181713 (or 175181700 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 140145354400 its reverse (4453541041), we get a palindrome (144598895441).

The spelling of 140145354400 in words is "one hundred forty billion, one hundred forty-five million, three hundred fifty-four thousand, four hundred".