140445233401 has 8 divisors (see below), whose sum is σ = 153224793504. Its totient is φ = 127667641920.

The previous prime is 140445233351. The next prime is 140445233413. The reversal of 140445233401 is 104332544041.

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

It is a cyclic number.

It is not a de Polignac number, because 140445233401 - 2⁷ = 140445233273 is a prime.

It is a super-2 number, since 2×140445233401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140445233471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340960 + ... + 630193.

It is an arithmetic number, because the mean of its divisors is an integer number (19153099188).

Almost surely, 2^140445233401 is an apocalyptic number.

140445233401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140445233401 is a deficient number, since it is larger than the sum of its proper divisors (12779560103).

140445233401 is a wasteful number, since it uses less digits than its factorization.

140445233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984311.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 140445233401 its reverse (104332544041), we get a palindrome (244777777442).

The spelling of 140445233401 in words is "one hundred forty billion, four hundred forty-five million, two hundred thirty-three thousand, four hundred one".