140405045 has 16 divisors (see below), whose sum is σ = 189734400. Its totient is φ = 98817600.

The previous prime is 140405029. The next prime is 140405051. The reversal of 140405045 is 540504041.

140405045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140405045 - 2⁴ = 140405029 is a prime.

It is a super-2 number, since 2×140405045² = 39427153322904050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140405045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39470 + ... + 42879.

It is an arithmetic number, because the mean of its divisors is an integer number (11858400).

Almost surely, 2^140405045 is an apocalyptic number.

It is an amenable number.

140405045 is a deficient number, since it is larger than the sum of its proper divisors (49329355).

140405045 is a wasteful number, since it uses less digits than its factorization.

140405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82396.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140405045 is about 11849.2634792210. The cubic root of 140405045 is about 519.7496884523.

Adding to 140405045 its reverse (540504041), we get a palindrome (680909086).

The spelling of 140405045 in words is "one hundred forty million, four hundred five thousand, forty-five".