157145841 has 12 divisors (see below), whose sum is σ = 240340932. Its totient is φ = 98601216.

The previous prime is 157145839. The next prime is 157145861. The reversal of 157145841 is 148541751.

157145841 is a `hidden beast` number, since 1 + 5 + 71 + 4 + 584 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88736400 + 68409441 = 9420^2 + 8271^2 .

It is not a de Polignac number, because 157145841 - 2¹ = 157145839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157145796 and 157145805.

It is not an unprimeable number, because it can be changed into a prime (157145801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513396 + ... + 513701.

It is an arithmetic number, because the mean of its divisors is an integer number (20028411).

Almost surely, 2^157145841 is an apocalyptic number.

It is an amenable number.

157145841 is a deficient number, since it is larger than the sum of its proper divisors (83195091).

157145841 is a wasteful number, since it uses less digits than its factorization.

157145841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027120 (or 1027117 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 157145841 is about 12535.7824247232. The cubic root of 157145841 is about 539.6360613592.

The spelling of 157145841 in words is "one hundred fifty-seven million, one hundred forty-five thousand, eight hundred forty-one".