155863463 has 12 divisors (see below), whose sum is σ = 191976912. Its totient is φ = 125737920.

The previous prime is 155863457. The next prime is 155863493. The reversal of 155863463 is 364368551.

It is not a de Polignac number, because 155863463 - 2⁶ = 155863399 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155863463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155863423) 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 11 ways as a sum of consecutive naturals, for example, 92723 + ... + 94388.

It is an arithmetic number, because the mean of its divisors is an integer number (15998076).

Almost surely, 2^155863463 is an apocalyptic number.

155863463 is a deficient number, since it is larger than the sum of its proper divisors (36113449).

155863463 is a wasteful number, since it uses less digits than its factorization.

155863463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187142 (or 187135 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 155863463 is about 12484.5289458594. The cubic root of 155863463 is about 538.1641624395.

The spelling of 155863463 in words is "one hundred fifty-five million, eight hundred sixty-three thousand, four hundred sixty-three".