145484109 has 24 divisors (see below), whose sum is σ = 215795840. Its totient is φ = 94416192.

The previous prime is 145484107. The next prime is 145484123. The reversal of 145484109 is 901484541.

145484109 is a `hidden beast` number, since 1 + 4 + 548 + 4 + 109 = 666.

It is not a de Polignac number, because 145484109 - 2¹ = 145484107 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145484107) 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, 50502 + ... + 53304.

Almost surely, 2^145484109 is an apocalyptic number.

It is an amenable number.

145484109 is a deficient number, since it is larger than the sum of its proper divisors (70311731).

145484109 is a wasteful number, since it uses less digits than its factorization.

145484109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 145484109 is about 12061.6793606861. The cubic root of 145484109 is about 525.9428065540.

The spelling of 145484109 in words is "one hundred forty-five million, four hundred eighty-four thousand, one hundred nine".