155436876 has 72 divisors (see below), whose sum is σ = 450238880. Its totient is φ = 44292096.

The previous prime is 155436859. The next prime is 155436881. The reversal of 155436876 is 678634551.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 144870 + ... + 145938.

Almost surely, 2^155436876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155436876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225119440).

155436876 is an abundant number, since it is smaller than the sum of its proper divisors (294802004).

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

155436876 is a wasteful number, since it uses less digits than its factorization.

155436876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1658 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 155436876 is about 12467.4326146164. The cubic root of 155436876 is about 537.6727417381.

The spelling of 155436876 in words is "one hundred fifty-five million, four hundred thirty-six thousand, eight hundred seventy-six".