155144268 has 48 divisors (see below), whose sum is σ = 403200000. Its totient is φ = 51589584.

The previous prime is 155144267. The next prime is 155144273. The reversal of 155144268 is 862441551.

It is a happy number.

155144268 is a `hidden beast` number, since 1 + 551 + 4 + 42 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155144263) 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, 50233 + ... + 53231.

It is an arithmetic number, because the mean of its divisors is an integer number (8400000).

Almost surely, 2^155144268 is an apocalyptic number.

155144268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155144268 is an abundant number, since it is smaller than the sum of its proper divisors (248055732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155144268 is a wasteful number, since it uses less digits than its factorization.

155144268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491 (or 3483 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 155144268 is about 12455.6921927286. The cubic root of 155144268 is about 537.3351423745.

The spelling of 155144268 in words is "one hundred fifty-five million, one hundred forty-four thousand, two hundred sixty-eight".