155455030 has 16 divisors (see below), whose sum is σ = 280077264. Its totient is φ = 62124640.

The previous prime is 155455009. The next prime is 155455031. The reversal of 155455030 is 30554551.

It is a self number, because there is not a number n which added to its sum of digits gives 155455030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155455031) 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 7 ways as a sum of consecutive naturals, for example, 5229 + ... + 18391.

It is an arithmetic number, because the mean of its divisors is an integer number (17504829).

Almost surely, 2^155455030 is an apocalyptic number.

155455030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155455030 is a deficient number, since it is larger than the sum of its proper divisors (124622234).

155455030 is a wasteful number, since it uses less digits than its factorization.

155455030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14351.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 155455030 is about 12468.1606502323. The cubic root of 155455030 is about 537.6936731310.

The spelling of 155455030 in words is "one hundred fifty-five million, four hundred fifty-five thousand, thirty".