155225334 has 48 divisors (see below), whose sum is σ = 361340784. Its totient is φ = 44267520.

The previous prime is 155225333. The next prime is 155225341. The reversal of 155225334 is 433522551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155225333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6054 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (7527933).

Almost surely, 2^155225334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155225334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180670392).

155225334 is an abundant number, since it is smaller than the sum of its proper divisors (206115450).

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

155225334 is a wasteful number, since it uses less digits than its factorization.

155225334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621 (or 12610 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 155225334 is about 12458.9459425748. The cubic root of 155225334 is about 537.4287155510.

Adding to 155225334 its reverse (433522551), we get a palindrome (588747885).

The spelling of 155225334 in words is "one hundred fifty-five million, two hundred twenty-five thousand, three hundred thirty-four".