144515133 has 12 divisors (see below), whose sum is σ = 238564768. Its totient is φ = 82580040.

The previous prime is 144515123. The next prime is 144515171. The reversal of 144515133 is 331515441.

It is a happy number.

144515133 is a `hidden beast` number, since 14 + 4 + 515 + 133 = 666.

It is not a de Polignac number, because 144515133 - 2⁴ = 144515117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144515097 and 144515106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144515123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146883 + ... + 1147008.

Almost surely, 2^144515133 is an apocalyptic number.

It is an amenable number.

144515133 is a deficient number, since it is larger than the sum of its proper divisors (94049635).

144515133 is a wasteful number, since it uses less digits than its factorization.

144515133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293904 (or 2293901 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 144515133 is about 12021.4447135109. Note that the first 3 decimals coincide. The cubic root of 144515133 is about 524.7725490925.

The spelling of 144515133 in words is "one hundred forty-four million, five hundred fifteen thousand, one hundred thirty-three".