157849844031 has 48 divisors (see below), whose sum is σ = 274815141120. Its totient is φ = 86124360960.

The previous prime is 157849844027. The next prime is 157849844039. The reversal of 157849844031 is 130448948751.

157849844031 is a `hidden beast` number, since 1 + 5 + 7 + 84 + 98 + 440 + 31 = 666.

157849844031 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 157849844031 - 2² = 157849844027 is a prime.

It is a super-2 number, since 2×157849844031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157849844039) 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 47 ways as a sum of consecutive naturals, for example, 2000221 + ... + 2077638.

It is an arithmetic number, because the mean of its divisors is an integer number (5725315440).

Almost surely, 2^157849844031 is an apocalyptic number.

157849844031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157849844031 is a deficient number, since it is larger than the sum of its proper divisors (116965297089).

157849844031 is a wasteful number, since it uses less digits than its factorization.

157849844031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077916 (or 4077913 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 157849844031 in words is "one hundred fifty-seven billion, eight hundred forty-nine million, eight hundred forty-four thousand, thirty-one".