155265244 has 12 divisors (see below), whose sum is σ = 273342384. Its totient is φ = 77167424.

The previous prime is 155265241. The next prime is 155265259. The reversal of 155265244 is 442562551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155265241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115549 + ... + 116884.

It is an arithmetic number, because the mean of its divisors is an integer number (22778532).

Almost surely, 2^155265244 is an apocalyptic number.

It is an amenable number.

155265244 is a deficient number, since it is larger than the sum of its proper divisors (118077140).

155265244 is a wasteful number, since it uses less digits than its factorization.

155265244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232604 (or 232602 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 155265244 is about 12460.5475000098. The cubic root of 155265244 is about 537.4747710531.

The spelling of 155265244 in words is "one hundred fifty-five million, two hundred sixty-five thousand, two hundred forty-four".