144103745 has 4 divisors (see below), whose sum is σ = 172924500. Its totient is φ = 115282992.

The previous prime is 144103723. The next prime is 144103769. The reversal of 144103745 is 547301441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99361024 + 44742721 = 9968^2 + 6689^2 .

It is a cyclic number.

It is not a de Polignac number, because 144103745 - 2⁶ = 144103681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14410370 + ... + 14410379.

It is an arithmetic number, because the mean of its divisors is an integer number (43231125).

Almost surely, 2^144103745 is an apocalyptic number.

It is an amenable number.

144103745 is a deficient number, since it is larger than the sum of its proper divisors (28820755).

144103745 is an equidigital number, since it uses as much as digits as its factorization.

144103745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28820754.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 144103745 is about 12004.3219300384. The cubic root of 144103745 is about 524.2741230769.

The spelling of 144103745 in words is "one hundred forty-four million, one hundred three thousand, seven hundred forty-five".