177145434849 has 8 divisors (see below), whose sum is σ = 250087672800. Its totient is φ = 111150076736.

The previous prime is 177145434847. The next prime is 177145434863. The reversal of 177145434849 is 948434541771.

177145434849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 177145434849 - 2¹ = 177145434847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (177145434847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736719899 + ... + 1736720000.

It is an arithmetic number, because the mean of its divisors is an integer number (31260959100).

Almost surely, 2^177145434849 is an apocalyptic number.

It is an amenable number.

177145434849 is a deficient number, since it is larger than the sum of its proper divisors (72942237951).

177145434849 is a wasteful number, since it uses less digits than its factorization.

177145434849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473439919.

The product of its digits is 13547520, while the sum is 57.

The spelling of 177145434849 in words is "one hundred seventy-seven billion, one hundred forty-five million, four hundred thirty-four thousand, eight hundred forty-nine".