155234313 has 40 divisors (see below), whose sum is σ = 262908800. Its totient is φ = 90489312.

The previous prime is 155234269. The next prime is 155234333. The reversal of 155234313 is 313432551.

It is not a de Polignac number, because 155234313 - 2⁹ = 155233801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (155234333) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16128 + ... + 23886.

It is an arithmetic number, because the mean of its divisors is an integer number (6572720).

Almost surely, 2^155234313 is an apocalyptic number.

155234313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155234313 is a deficient number, since it is larger than the sum of its proper divisors (107674487).

155234313 is a wasteful number, since it uses less digits than its factorization.

155234313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803 (or 7794 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 155234313 is about 12459.3062808489. The cubic root of 155234313 is about 537.4390778617.

Adding to 155234313 its reverse (313432551), we get a palindrome (468666864).

The spelling of 155234313 in words is "one hundred fifty-five million, two hundred thirty-four thousand, three hundred thirteen".