140045115 has 32 divisors (see below), whose sum is σ = 257273856. Its totient is φ = 63722880.

The previous prime is 140045093. The next prime is 140045123. The reversal of 140045115 is 511540041.

It is not a de Polignac number, because 140045115 - 2¹⁵ = 140012347 is a prime.

It is a super-2 number, since 2×140045115² = 39225268470726450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140045091 and 140045100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20425 + ... + 26405.

It is an arithmetic number, because the mean of its divisors is an integer number (8039808).

Almost surely, 2^140045115 is an apocalyptic number.

140045115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140045115 is a deficient number, since it is larger than the sum of its proper divisors (117228741).

140045115 is a wasteful number, since it uses less digits than its factorization.

140045115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 140045115 is about 11834.0658693452. The cubic root of 140045115 is about 519.3051802357.

Adding to 140045115 its reverse (511540041), we get a palindrome (651585156).

The spelling of 140045115 in words is "one hundred forty million, forty-five thousand, one hundred fifteen".