155146471 has 6 divisors (see below), whose sum is σ = 164809880. Its totient is φ = 146019936.

The previous prime is 155146463. The next prime is 155146493. The reversal of 155146471 is 174641551.

It is not a de Polignac number, because 155146471 - 2³ = 155146463 is a prime.

It is a super-3 number, since 3×155146471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155140471) 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 5 ways as a sum of consecutive naturals, for example, 268131 + ... + 268708.

Almost surely, 2^155146471 is an apocalyptic number.

155146471 is a deficient number, since it is larger than the sum of its proper divisors (9663409).

155146471 is an equidigital number, since it uses as much as digits as its factorization.

155146471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536873 (or 536856 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 155146471 is about 12455.7806258781. The cubic root of 155146471 is about 537.3376856927.

The spelling of 155146471 in words is "one hundred fifty-five million, one hundred forty-six thousand, four hundred seventy-one".