157471849 has 8 divisors (see below), whose sum is σ = 159516000. Its totient is φ = 155440992.

The previous prime is 157471843. The next prime is 157471871. The reversal of 157471849 is 948174751.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 157471849 - 2⁵ = 157471817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157471799 and 157471808.

It is not an unprimeable number, because it can be changed into a prime (157471843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21717 + ... + 28045.

It is an arithmetic number, because the mean of its divisors is an integer number (19939500).

Almost surely, 2^157471849 is an apocalyptic number.

It is an amenable number.

157471849 is a deficient number, since it is larger than the sum of its proper divisors (2044151).

157471849 is a wasteful number, since it uses less digits than its factorization.

157471849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647.

The product of its digits is 282240, while the sum is 46.

The square root of 157471849 is about 12548.7787852046. The cubic root of 157471849 is about 540.0089721875.

The spelling of 157471849 in words is "one hundred fifty-seven million, four hundred seventy-one thousand, eight hundred forty-nine".