155244141 has 16 divisors (see below), whose sum is σ = 247683520. Its totient is φ = 95534640.

The previous prime is 155244137. The next prime is 155244151. The reversal of 155244141 is 141442551.

It is not a de Polignac number, because 155244141 - 2² = 155244137 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (155244101) 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 15 ways as a sum of consecutive naturals, for example, 220795 + ... + 221496.

It is an arithmetic number, because the mean of its divisors is an integer number (15480220).

Almost surely, 2^155244141 is an apocalyptic number.

It is an amenable number.

155244141 is a deficient number, since it is larger than the sum of its proper divisors (92439379).

155244141 is a wasteful number, since it uses less digits than its factorization.

155244141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442313 (or 442307 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 155244141 is about 12459.7006785877. The cubic root of 155244141 is about 537.4504195118.

Adding to 155244141 its reverse (141442551), we get a palindrome (296686692).

The spelling of 155244141 in words is "one hundred fifty-five million, two hundred forty-four thousand, one hundred forty-one".