140530045 has 4 divisors (see below), whose sum is σ = 168636060. Its totient is φ = 112424032.

The previous prime is 140529979. The next prime is 140530051. The reversal of 140530045 is 540035041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94439524 + 46090521 = 9718^2 + 6789^2 .

It is a cyclic number.

It is not a de Polignac number, because 140530045 - 2²⁵ = 106975613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140529998 and 140530025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14053000 + ... + 14053009.

It is an arithmetic number, because the mean of its divisors is an integer number (42159015).

Almost surely, 2^140530045 is an apocalyptic number.

It is an amenable number.

140530045 is a deficient number, since it is larger than the sum of its proper divisors (28106015).

140530045 is an equidigital number, since it uses as much as digits as its factorization.

140530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28106014.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 140530045 is about 11854.5368952144. The cubic root of 140530045 is about 519.9038838623.

Adding to 140530045 its reverse (540035041), we get a palindrome (680565086).

The spelling of 140530045 in words is "one hundred forty million, five hundred thirty thousand, forty-five".