155350385 has 8 divisors (see below), whose sum is σ = 186524520. Its totient is φ = 124210944.

The previous prime is 155350381. The next prime is 155350417. The reversal of 155350385 is 583053551.

It can be written as a sum of positive squares in 4 ways, for example, as 12117361 + 143233024 = 3481^2 + 11968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155350385 - 2² = 155350381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155350381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2489 + ... + 17801.

It is an arithmetic number, because the mean of its divisors is an integer number (23315565).

Almost surely, 2^155350385 is an apocalyptic number.

It is an amenable number.

155350385 is a deficient number, since it is larger than the sum of its proper divisors (31174135).

155350385 is a wasteful number, since it uses less digits than its factorization.

155350385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 155350385 is about 12463.9634546961. The cubic root of 155350385 is about 537.5729960354.

The spelling of 155350385 in words is "one hundred fifty-five million, three hundred fifty thousand, three hundred eighty-five".