155144316 has 36 divisors (see below), whose sum is σ = 374941112. Its totient is φ = 49928256.

The previous prime is 155144273. The next prime is 155144323. The reversal of 155144316 is 613441551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2406 + ... + 17778.

Almost surely, 2^155144316 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 155144316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187470556).

155144316 is an abundant number, since it is smaller than the sum of its proper divisors (219796796).

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

155144316 is a wasteful number, since it uses less digits than its factorization.

155144316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438 (or 15407 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 155144316 is about 12455.6941195583. The cubic root of 155144316 is about 537.3351977898.

Adding to 155144316 its reverse (613441551), we get a palindrome (768585867).

The spelling of 155144316 in words is "one hundred fifty-five million, one hundred forty-four thousand, three hundred sixteen".