140045115452 has 48 divisors (see below), whose sum is σ = 268112164320. Its totient is φ = 63477792000.

The previous prime is 140045115451. The next prime is 140045115481. The reversal of 140045115452 is 254511540041.

It is a happy number.

It is a super-2 number, since 2×140045115452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045115451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25566938 + ... + 25572414.

It is an arithmetic number, because the mean of its divisors is an integer number (5585670090).

Almost surely, 2^140045115452 is an apocalyptic number.

It is an amenable number.

140045115452 is a deficient number, since it is larger than the sum of its proper divisors (128067048868).

140045115452 is a wasteful number, since it uses less digits than its factorization.

140045115452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022 (or 7020 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 140045115452 its reverse (254511540041), we get a palindrome (394556655493).

The spelling of 140045115452 in words is "one hundred forty billion, forty-five million, one hundred fifteen thousand, four hundred fifty-two".