140045053 has 8 divisors (see below), whose sum is σ = 144781560. Its totient is φ = 135371520.

The previous prime is 140045047. The next prime is 140045069. The reversal of 140045053 is 350540041.

It can be written as a sum of positive squares in 4 ways, for example, as 31843449 + 108201604 = 5643^2 + 10402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140045053 - 2⁵ = 140045021 is a prime.

It is a super-2 number, since 2×140045053² = 39225233739545618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11200 + ... + 20137.

It is an arithmetic number, because the mean of its divisors is an integer number (18097695).

Almost surely, 2^140045053 is an apocalyptic number.

It is an amenable number.

140045053 is a deficient number, since it is larger than the sum of its proper divisors (4736507).

140045053 is a wasteful number, since it uses less digits than its factorization.

140045053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31487.

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

The square root of 140045053 is about 11834.0632497887. The cubic root of 140045053 is about 519.3051036011.

Adding to 140045053 its reverse (350540041), we get a palindrome (490585094).

The spelling of 140045053 in words is "one hundred forty million, forty-five thousand, fifty-three".