155226002304 has 128 divisors (see below), whose sum is σ = 436856885280. Its totient is φ = 48666705920.

The previous prime is 155226002297. The next prime is 155226002311. The reversal of 155226002304 is 403200622551.

It is an interprime number because it is at equal distance from previous prime (155226002297) and next prime (155226002311).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×155226002304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11306164 + ... + 11319884.

Almost surely, 2^155226002304 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 155226002304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218428442640).

155226002304 is an abundant number, since it is smaller than the sum of its proper divisors (281630882976).

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

155226002304 is a wasteful number, since it uses less digits than its factorization.

155226002304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15488 (or 15476 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 155226002304 its reverse (403200622551), we get a palindrome (558426624855).

The spelling of 155226002304 in words is "one hundred fifty-five billion, two hundred twenty-six million, two thousand, three hundred four".