155002 has 8 divisors (see below), whose sum is σ = 244800. Its totient is φ = 73404.

The previous prime is 154991. The next prime is 155003. The reversal of 155002 is 200551.

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

It is not an unprimeable number, because it can be changed into a prime (155003) 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 3 ways as a sum of consecutive naturals, for example, 2002 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2¹⁵⁵⁰⁰² is an apocalyptic number.

155002 is a deficient number, since it is larger than the sum of its proper divisors (89798).

155002 is a wasteful number, since it uses less digits than its factorization.

155002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 155002 is about 393.7029336949. The cubic root of 155002 is about 53.7170845887.

Adding to 155002 its reverse (200551), we get a palindrome (355553).

The spelling of 155002 in words is "one hundred fifty-five thousand, two".