140451352443245 has 8 divisors (see below), whose sum is σ = 168792056253816. Its totient is φ = 112194126406656.

The previous prime is 140451352443229. The next prime is 140451352443319. The reversal of 140451352443245 is 542344253154041.

It can be written as a sum of positive squares in 4 ways, for example, as 8945823775849 + 131505528667396 = 2990957^2 + 11467586^2 .

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 140451352443245 - 2⁴ = 140451352443229 is a prime.

It is a super-2 number, since 2×140451352443245² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140451352443245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20869439792 + ... + 20869446521.

It is an arithmetic number, because the mean of its divisors is an integer number (21099007031727).

Almost surely, 2^{140451352443245} is an apocalyptic number.

It is an amenable number.

140451352443245 is a deficient number, since it is larger than the sum of its proper divisors (28340703810571).

140451352443245 is an equidigital number, since it uses as much as digits as its factorization.

140451352443245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41738886991.

The product of its (nonzero) digits is 4608000, while the sum is 47.

The spelling of 140451352443245 in words is "one hundred forty trillion, four hundred fifty-one billion, three hundred fifty-two million, four hundred forty-three thousand, two hundred forty-five".