155346432 has 80 divisors (see below), whose sum is σ = 435716160. Its totient is φ = 49047552.

The previous prime is 155346427. The next prime is 155346437. The reversal of 155346432 is 234643551.

155346432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155346427) and next prime (155346437).

It is a junction number, because it is equal to n+sod(n) for n = 155346393 and 155346402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155346437) 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, 26523 + ... + 31845.

It is an arithmetic number, because the mean of its divisors is an integer number (5446452).

Almost surely, 2^155346432 is an apocalyptic number.

155346432 is a gapful number since it is divisible by the number (12) 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 155346432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217858080).

155346432 is an abundant number, since it is smaller than the sum of its proper divisors (280369728).

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

155346432 is an equidigital number, since it uses as much as digits as its factorization.

155346432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363 (or 5347 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 155346432 is about 12463.8048765215. The cubic root of 155346432 is about 537.5684363555.

Adding to 155346432 its reverse (234643551), we get a palindrome (389989983).

The spelling of 155346432 in words is "one hundred fifty-five million, three hundred forty-six thousand, four hundred thirty-two".