155144313 has 12 divisors (see below), whose sum is σ = 225603300. Its totient is φ = 102734496.

The previous prime is 155144273. The next prime is 155144323. The reversal of 155144313 is 313441551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 149891049 = 2292^2 + 12243^2 .

It is not a de Polignac number, because 155144313 - 2²⁶ = 88035449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155144323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56506 + ... + 59187.

It is an arithmetic number, because the mean of its divisors is an integer number (18800275).

Almost surely, 2^155144313 is an apocalyptic number.

It is an amenable number.

155144313 is a deficient number, since it is larger than the sum of its proper divisors (70458987).

155144313 is a wasteful number, since it uses less digits than its factorization.

155144313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115848 (or 115845 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 155144313 is about 12455.6939991315. The cubic root of 155144313 is about 537.3351943263.

Adding to 155144313 its reverse (313441551), we get a palindrome (468585864).

The spelling of 155144313 in words is "one hundred fifty-five million, one hundred forty-four thousand, three hundred thirteen".