190272744745 has 4 divisors (see below), whose sum is σ = 228327293700. Its totient is φ = 152218195792.

The previous prime is 190272744731. The next prime is 190272744797. The reversal of 190272744745 is 547447272091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547447272091 = 3181 ⋅172099111.

It can be written as a sum of positive squares in 2 ways, for example, as 28053905049 + 162218839696 = 167493^2 + 402764^2 .

It is a cyclic number.

It is not a de Polignac number, because 190272744745 - 2⁷ = 190272744617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190272744692 and 190272744701.

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, 19027274470 + ... + 19027274479.

It is an arithmetic number, because the mean of its divisors is an integer number (57081823425).

Almost surely, 2^190272744745 is an apocalyptic number.

It is an amenable number.

190272744745 is a deficient number, since it is larger than the sum of its proper divisors (38054548955).

190272744745 is an equidigital number, since it uses as much as digits as its factorization.

190272744745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38054548954.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 190272744745 in words is "one hundred ninety billion, two hundred seventy-two million, seven hundred forty-four thousand, seven hundred forty-five".