155202104 has 16 divisors (see below), whose sum is σ = 291642120. Its totient is φ = 77430880.

The previous prime is 155202079. The next prime is 155202107. The reversal of 155202104 is 401202551.

155202104 = 3107² + 3108² + ... + 3122².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155202107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17354 + ... + 24729.

Almost surely, 2^155202104 is an apocalyptic number.

It is an amenable number.

155202104 is a deficient number, since it is larger than the sum of its proper divisors (136440016).

155202104 is a wasteful number, since it uses less digits than its factorization.

155202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550 (or 42546 counting only the distinct ones).

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

The square root of 155202104 is about 12458.0136458426. The cubic root of 155202104 is about 537.4019048675.

Adding to 155202104 its reverse (401202551), we get a palindrome (556404655).

The spelling of 155202104 in words is "one hundred fifty-five million, two hundred two thousand, one hundred four".