144515055 has 16 divisors (see below), whose sum is σ = 232065504. Its totient is φ = 76794240.

The previous prime is 144515051. The next prime is 144515057. The reversal of 144515055 is 550515441.

It is not a de Polignac number, because 144515055 - 2² = 144515051 is a prime.

It is a super-2 number, since 2×144515055² = 41769202243306050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144515051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13236 + ... + 21545.

It is an arithmetic number, because the mean of its divisors is an integer number (14504094).

Almost surely, 2^144515055 is an apocalyptic number.

144515055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144515055 is a deficient number, since it is larger than the sum of its proper divisors (87550449).

144515055 is a wasteful number, since it uses less digits than its factorization.

144515055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35066.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 144515055 is about 12021.4414693081. The cubic root of 144515055 is about 524.7724546796.

The spelling of 144515055 in words is "one hundred forty-four million, five hundred fifteen thousand, fifty-five".