144155555 has 8 divisors (see below), whose sum is σ = 173134800. Its totient is φ = 115225696.

The previous prime is 144155551. The next prime is 144155567. The reversal of 144155555 is 555551441.

144155555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144155555 - 2² = 144155551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144155551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585 + ... + 17874.

It is an arithmetic number, because the mean of its divisors is an integer number (21641850).

Almost surely, 2^144155555 is an apocalyptic number.

144155555 is a deficient number, since it is larger than the sum of its proper divisors (28979245).

144155555 is a wasteful number, since it uses less digits than its factorization.

144155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24693.

The product of its digits is 50000, while the sum is 35.

The square root of 144155555 is about 12006.4797088905. The cubic root of 144155555 is about 524.3369467684.

The spelling of 144155555 in words is "one hundred forty-four million, one hundred fifty-five thousand, five hundred fifty-five".