155441455 has 64 divisors (see below), whose sum is σ = 225566208. Its totient is φ = 101744640.

The previous prime is 155441453. The next prime is 155441467. The reversal of 155441455 is 554144551.

155441455 = 1373² + 1374² + ... + 1450².

It is not a de Polignac number, because 155441455 - 2¹ = 155441453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155441455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155441453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2129299 + ... + 2129371.

It is an arithmetic number, because the mean of its divisors is an integer number (3524472).

Almost surely, 2^155441455 is an apocalyptic number.

155441455 is a deficient number, since it is larger than the sum of its proper divisors (70124753).

155441455 is a wasteful number, since it uses less digits than its factorization.

155441455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its digits is 40000, while the sum is 34.

The square root of 155441455 is about 12467.6162517139. The cubic root of 155441455 is about 537.6780214361.

The spelling of 155441455 in words is "one hundred fifty-five million, four hundred forty-one thousand, four hundred fifty-five".