155353144 has 8 divisors (see below), whose sum is σ = 291287160. Its totient is φ = 77676568.

The previous prime is 155353129. The next prime is 155353147. The reversal of 155353144 is 441353551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155353147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9709564 + ... + 9709579.

It is an arithmetic number, because the mean of its divisors is an integer number (36410895).

Almost surely, 2^155353144 is an apocalyptic number.

It is an amenable number.

155353144 is a deficient number, since it is larger than the sum of its proper divisors (135934016).

155353144 is a wasteful number, since it uses less digits than its factorization.

155353144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19419149 (or 19419145 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 155353144 is about 12464.0741332840. The cubic root of 155353144 is about 537.5761784223.

The spelling of 155353144 in words is "one hundred fifty-five million, three hundred fifty-three thousand, one hundred forty-four".