155402304 has 112 divisors (see below), whose sum is σ = 445056768. Its totient is φ = 47669248.

The previous prime is 155402297. The next prime is 155402323. The reversal of 155402304 is 403204551.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152902 + ... + 153914.

Almost surely, 2^155402304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222528384).

155402304 is an abundant number, since it is smaller than the sum of its proper divisors (289654464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155402304 is a wasteful number, since it uses less digits than its factorization.

155402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 155402304 is about 12466.0460451580. The cubic root of 155402304 is about 537.6328760365.

Adding to 155402304 its reverse (403204551), we get a palindrome (558606855).

The spelling of 155402304 in words is "one hundred fifty-five million, four hundred two thousand, three hundred four".