140436045 has 64 divisors (see below), whose sum is σ = 269107200. Its totient is φ = 69284160.

The previous prime is 140436041. The next prime is 140436103. The reversal of 140436045 is 540634041.

140436045 is a `hidden beast` number, since 14 + 0 + 43 + 604 + 5 = 666.

140436045 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 140436045 - 2² = 140436041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140436041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95526 + ... + 96984.

It is an arithmetic number, because the mean of its divisors is an integer number (4204800).

Almost surely, 2^140436045 is an apocalyptic number.

140436045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140436045 is a deficient number, since it is larger than the sum of its proper divisors (128671155).

140436045 is a wasteful number, since it uses less digits than its factorization.

140436045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140436045 is about 11850.5715052060. The cubic root of 140436045 is about 519.7879374452.

The spelling of 140436045 in words is "one hundred forty million, four hundred thirty-six thousand, forty-five".