144645111 has 24 divisors (see below), whose sum is σ = 225637776. Its totient is φ = 88761600.

The previous prime is 144645107. The next prime is 144645131. The reversal of 144645111 is 111546441.

144645111 is a `hidden beast` number, since 1 + 4 + 4 + 645 + 1 + 11 = 666.

It is not a de Polignac number, because 144645111 - 2² = 144645107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144645131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45376 + ... + 48458.

It is an arithmetic number, because the mean of its divisors is an integer number (9401574).

Almost surely, 2^144645111 is an apocalyptic number.

144645111 is a deficient number, since it is larger than the sum of its proper divisors (80992665).

144645111 is a wasteful number, since it uses less digits than its factorization.

144645111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3500 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 144645111 is about 12026.8495874855. The cubic root of 144645111 is about 524.9298300775.

The spelling of 144645111 in words is "one hundred forty-four million, six hundred forty-five thousand, one hundred eleven".