157655471 has 2 divisors, whose sum is σ = 157655472. Its totient is φ = 157655470.

The previous prime is 157655461. The next prime is 157655473. The reversal of 157655471 is 174556751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157655471 - 2¹⁴ = 157639087 is a prime.

It is a super-3 number, since 3×157655471³ (a number of 26 digits) contains 333 as substring.

Together with 157655473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157655473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78827735 + 78827736.

It is an arithmetic number, because the mean of its divisors is an integer number (78827736).

Almost surely, 2^157655471 is an apocalyptic number.

157655471 is a deficient number, since it is larger than the sum of its proper divisors (1).

157655471 is an equidigital number, since it uses as much as digits as its factorization.

157655471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147000, while the sum is 41.

The square root of 157655471 is about 12556.0929830899. The cubic root of 157655471 is about 540.2187853737.

The spelling of 157655471 in words is "one hundred fifty-seven million, six hundred fifty-five thousand, four hundred seventy-one".