140445053 has 4 divisors (see below), whose sum is σ = 160508640. Its totient is φ = 120381468.

The previous prime is 140445001. The next prime is 140445073. The reversal of 140445053 is 350544041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350544041 = 43 ⋅8152187.

It is a cyclic number.

It is not a de Polignac number, because 140445053 - 2⁶ = 140444989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140445073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031783 + ... + 10031796.

It is an arithmetic number, because the mean of its divisors is an integer number (40127160).

Almost surely, 2^140445053 is an apocalyptic number.

It is an amenable number.

140445053 is a deficient number, since it is larger than the sum of its proper divisors (20063587).

140445053 is an equidigital number, since it uses as much as digits as its factorization.

140445053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063586.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 140445053 is about 11850.9515651698. The cubic root of 140445053 is about 519.7990508067.

Adding to 140445053 its reverse (350544041), we get a palindrome (490989094).

The spelling of 140445053 in words is "one hundred forty million, four hundred forty-five thousand, fifty-three".