155500102 has 32 divisors (see below), whose sum is σ = 249698304. Its totient is φ = 72468000.

The previous prime is 155500087. The next prime is 155500109. The reversal of 155500102 is 201005551.

It is a self number, because there is not a number n which added to its sum of digits gives 155500102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155500109) 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 15 ways as a sum of consecutive naturals, for example, 423523 + ... + 423889.

It is an arithmetic number, because the mean of its divisors is an integer number (7803072).

Almost surely, 2^155500102 is an apocalyptic number.

155500102 is a deficient number, since it is larger than the sum of its proper divisors (94198202).

155500102 is a wasteful number, since it uses less digits than its factorization.

155500102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 155500102 is about 12469.9680031666. The cubic root of 155500102 is about 537.7456336828.

Adding to 155500102 its reverse (201005551), we get a palindrome (356505653).

The spelling of 155500102 in words is "one hundred fifty-five million, five hundred thousand, one hundred two".