140301445 has 4 divisors (see below), whose sum is σ = 168361740. Its totient is φ = 112241152.

The previous prime is 140301431. The next prime is 140301451. The reversal of 140301445 is 544103041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544103041 = 31 ⋅17551711.

It can be written as a sum of positive squares in 2 ways, for example, as 69455556 + 70845889 = 8334^2 + 8417^2 .

It is a cyclic number.

It is not a de Polignac number, because 140301445 - 2¹³ = 140293253 is a prime.

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, 14030140 + ... + 14030149.

It is an arithmetic number, because the mean of its divisors is an integer number (42090435).

Almost surely, 2^140301445 is an apocalyptic number.

It is an amenable number.

140301445 is a deficient number, since it is larger than the sum of its proper divisors (28060295).

140301445 is an equidigital number, since it uses as much as digits as its factorization.

140301445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28060294.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140301445 is about 11844.8910927876. The cubic root of 140301445 is about 519.6218219243.

Adding to 140301445 its reverse (544103041), we get a palindrome (684404486).

The spelling of 140301445 in words is "one hundred forty million, three hundred one thousand, four hundred forty-five".