155323035 has 32 divisors (see below), whose sum is σ = 315578880. Its totient is φ = 71004384.

The previous prime is 155323001. The next prime is 155323037. The reversal of 155323035 is 530323551.

It is not a de Polignac number, because 155323035 - 2⁶ = 155322971 is a prime.

It is a super-2 number, since 2×155323035² = 48250490403222450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (155323037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81237 + ... + 83126.

It is an arithmetic number, because the mean of its divisors is an integer number (9861840).

Almost surely, 2^155323035 is an apocalyptic number.

155323035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155323035 is an abundant number, since it is smaller than the sum of its proper divisors (160255845).

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

155323035 is a wasteful number, since it uses less digits than its factorization.

155323035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164384 (or 164378 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 155323035 is about 12462.8662433647. The cubic root of 155323035 is about 537.5414469572.

Adding to 155323035 its reverse (530323551), we get a palindrome (685646586).

The spelling of 155323035 in words is "one hundred fifty-five million, three hundred twenty-three thousand, thirty-five".