155022032 has 40 divisors (see below), whose sum is σ = 333862560. Its totient is φ = 69130880.

The previous prime is 155022019. The next prime is 155022037. The reversal of 155022032 is 230220551.

155022032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155021995 and 155022013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155022037) 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, 1019 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (8346564).

Almost surely, 2^155022032 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 155022032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166931280).

155022032 is an abundant number, since it is smaller than the sum of its proper divisors (178840528).

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

155022032 is a wasteful number, since it uses less digits than its factorization.

155022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16691 (or 16685 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 155022032 is about 12450.7843929610. The cubic root of 155022032 is about 537.1939856804.

Adding to 155022032 its reverse (230220551), we get a palindrome (385242583).

The spelling of 155022032 in words is "one hundred fifty-five million, twenty-two thousand, thirty-two".