155853424 has 40 divisors (see below), whose sum is σ = 313551360. Its totient is φ = 74957568.

The previous prime is 155853419. The next prime is 155853427. The reversal of 155853424 is 424358551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155853427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177274 + ... + 178150.

It is an arithmetic number, because the mean of its divisors is an integer number (7838784).

Almost surely, 2^155853424 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 155853424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156775680).

155853424 is an abundant number, since it is smaller than the sum of its proper divisors (157697936).

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

155853424 is a wasteful number, since it uses less digits than its factorization.

155853424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1291 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 155853424 is about 12484.1268817647. The cubic root of 155853424 is about 538.1526079975.

The spelling of 155853424 in words is "one hundred fifty-five million, eight hundred fifty-three thousand, four hundred twenty-four".