155375430 has 64 divisors (see below), whose sum is σ = 427368960. Its totient is φ = 35414784.

The previous prime is 155375413. The next prime is 155375443. The reversal of 155375430 is 34573551.

It is a junction number, because it is equal to n+sod(n) for n = 155375391 and 155375400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95161 + ... + 96779.

It is an arithmetic number, because the mean of its divisors is an integer number (6677640).

Almost surely, 2^155375430 is an apocalyptic number.

155375430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155375430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213684480).

155375430 is an abundant number, since it is smaller than the sum of its proper divisors (271993530).

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

155375430 is a wasteful number, since it uses less digits than its factorization.

155375430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 155375430 is about 12464.9681106692. The cubic root of 155375430 is about 537.6018829764.

The spelling of 155375430 in words is "one hundred fifty-five million, three hundred seventy-five thousand, four hundred thirty".