155425536 has 216 divisors, whose sum is σ = 535691520. Its totient is φ = 42375168.

The previous prime is 155425519. The next prime is 155425549. The reversal of 155425536 is 635524551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155425536.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370735 + ... + 371153.

Almost surely, 2^155425536 is an apocalyptic number.

155425536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155425536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267845760).

155425536 is an abundant number, since it is smaller than the sum of its proper divisors (380265984).

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

155425536 is a wasteful number, since it uses less digits than its factorization.

155425536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 454 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 155425536 is about 12466.9778214289. The cubic root of 155425536 is about 537.6596659967.

It can be divided in two parts, 155425 and 536, that added together give a triangular number (155961 = T₅₅₈).

The spelling of 155425536 in words is "one hundred fifty-five million, four hundred twenty-five thousand, five hundred thirty-six".