155849456 has 40 divisors (see below), whose sum is σ = 345692160. Its totient is φ = 66677184.

The previous prime is 155849443. The next prime is 155849461. The reversal of 155849456 is 654948551.

It is a self number, because there is not a number n which added to its sum of digits gives 155849456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107585 + ... + 109023.

It is an arithmetic number, because the mean of its divisors is an integer number (8642304).

Almost surely, 2^155849456 is an apocalyptic number.

155849456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155849456 is an abundant number, since it is smaller than the sum of its proper divisors (189842704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155849456 is a wasteful number, since it uses less digits than its factorization.

155849456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2415 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The square root of 155849456 is about 12483.9679589464. The cubic root of 155849456 is about 538.1480408694.

The spelling of 155849456 in words is "one hundred fifty-five million, eight hundred forty-nine thousand, four hundred fifty-six".