155042102 has 8 divisors (see below), whose sum is σ = 234621576. Its totient is φ = 76834912.

The previous prime is 155042059. The next prime is 155042113. The reversal of 155042102 is 201240551.

155042102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342788 + ... + 343239.

It is an arithmetic number, because the mean of its divisors is an integer number (29327697).

Almost surely, 2^155042102 is an apocalyptic number.

155042102 is a deficient number, since it is larger than the sum of its proper divisors (79579474).

155042102 is a wasteful number, since it uses less digits than its factorization.

155042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686142.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 155042102 is about 12451.5903401935. The cubic root of 155042102 is about 537.2171673704.

Adding to 155042102 its reverse (201240551), we get a palindrome (356282653).

The spelling of 155042102 in words is "one hundred fifty-five million, forty-two thousand, one hundred two".