155233965 has 8 divisors (see below), whose sum is σ = 248374368. Its totient is φ = 82791440.

The previous prime is 155233963. The next prime is 155233993. The reversal of 155233965 is 569332551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155233965 - 2¹ = 155233963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155233963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174451 + ... + 5174480.

It is an arithmetic number, because the mean of its divisors is an integer number (31046796).

Almost surely, 2^155233965 is an apocalyptic number.

155233965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155233965 is a deficient number, since it is larger than the sum of its proper divisors (93140403).

155233965 is a wasteful number, since it uses less digits than its factorization.

155233965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348939.

The product of its digits is 121500, while the sum is 39.

The square root of 155233965 is about 12459.2923153765. The cubic root of 155233965 is about 537.4386762560.

The spelling of 155233965 in words is "one hundred fifty-five million, two hundred thirty-three thousand, nine hundred sixty-five".