144302019 has 16 divisors (see below), whose sum is σ = 196421760. Its totient is φ = 94212800.

The previous prime is 144301991. The next prime is 144302063. The reversal of 144302019 is 910203441.

It is a cyclic number.

It is not a de Polignac number, because 144302019 - 2¹¹ = 144299971 is a prime.

It is a super-2 number, since 2×144302019² = 41646145374952722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144302019.

It is not an unprimeable number, because it can be changed into a prime (144302089) 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, 26044 + ... + 31094.

It is an arithmetic number, because the mean of its divisors is an integer number (12276360).

Almost surely, 2^144302019 is an apocalyptic number.

144302019 is a deficient number, since it is larger than the sum of its proper divisors (52119741).

144302019 is a wasteful number, since it uses less digits than its factorization.

144302019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 144302019 is about 12012.5775335687. The cubic root of 144302019 is about 524.5144644795.

The spelling of 144302019 in words is "one hundred forty-four million, three hundred two thousand, nineteen".