140406045 has 48 divisors (see below), whose sum is σ = 246197952. Its totient is φ = 68290560.

The previous prime is 140406041. The next prime is 140406073. The reversal of 140406045 is 540604041.

It is not a de Polignac number, because 140406045 - 2² = 140406041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140406041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245610 + ... + 246180.

It is an arithmetic number, because the mean of its divisors is an integer number (5129124).

Almost surely, 2^140406045 is an apocalyptic number.

140406045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140406045 is a deficient number, since it is larger than the sum of its proper divisors (105791907).

140406045 is a wasteful number, since it uses less digits than its factorization.

140406045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140406045 is about 11849.3056758613. The cubic root of 140406045 is about 519.7509223787.

The spelling of 140406045 in words is "one hundred forty million, four hundred six thousand, forty-five".