155034040 has 96 divisors (see below), whose sum is σ = 411097680. Its totient is φ = 52459008.

The previous prime is 155034037. The next prime is 155034041. The reversal of 155034040 is 40430551.

155034040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155034041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162204 + ... + 163156.

Almost surely, 2^155034040 is an apocalyptic number.

155034040 is a gapful number since it is divisible by the number (10) 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 155034040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205548840).

155034040 is an abundant number, since it is smaller than the sum of its proper divisors (256063640).

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

155034040 is a wasteful number, since it uses less digits than its factorization.

155034040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 155034040 is about 12451.2666022377. The cubic root of 155034040 is about 537.2078556634.

Adding to 155034040 its reverse (40430551), we get a palindrome (195464591).

The spelling of 155034040 in words is "one hundred fifty-five million, thirty-four thousand, forty".