145849633761 has 16 divisors (see below), whose sum is σ = 209503496384. Its totient is φ = 89720028864.

The previous prime is 145849633733. The next prime is 145849633843. The reversal of 145849633761 is 167336948541.

145849633761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145849633761 - 2³¹ = 143702150113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145849633711) 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 15 ways as a sum of consecutive naturals, for example, 594091 + ... + 802896.

It is an arithmetic number, because the mean of its divisors is an integer number (13093968524).

Almost surely, 2^145849633761 is an apocalyptic number.

It is an amenable number.

145849633761 is a deficient number, since it is larger than the sum of its proper divisors (63653862623).

145849633761 is a wasteful number, since it uses less digits than its factorization.

145849633761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399680.

The product of its digits is 13063680, while the sum is 57.

The spelling of 145849633761 in words is "one hundred forty-five billion, eight hundred forty-nine million, six hundred thirty-three thousand, seven hundred sixty-one".