140345115 has 64 divisors (see below), whose sum is σ = 254016000. Its totient is φ = 65746944.

The previous prime is 140345111. The next prime is 140345137. The reversal of 140345115 is 511543041.

It is a happy number.

It is not a de Polignac number, because 140345115 - 2² = 140345111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140345111) 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 63 ways as a sum of consecutive naturals, for example, 401961 + ... + 402309.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2^140345115 is an apocalyptic number.

140345115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140345115 is a deficient number, since it is larger than the sum of its proper divisors (113670885).

140345115 is a wasteful number, since it uses less digits than its factorization.

140345115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 140345115 is about 11846.7343601517. The cubic root of 140345115 is about 519.6757285466.

Adding to 140345115 its reverse (511543041), we get a palindrome (651888156).

The spelling of 140345115 in words is "one hundred forty million, three hundred forty-five thousand, one hundred fifteen".