144250865 has 16 divisors (see below), whose sum is σ = 199946880. Its totient is φ = 98737920.

The previous prime is 144250859. The next prime is 144250889. The reversal of 144250865 is 568052441.

144250865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144250865 - 2⁸ = 144250609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76205 + ... + 78074.

It is an arithmetic number, because the mean of its divisors is an integer number (12496680).

Almost surely, 2^144250865 is an apocalyptic number.

It is an amenable number.

144250865 is a deficient number, since it is larger than the sum of its proper divisors (55696015).

144250865 is a wasteful number, since it uses less digits than its factorization.

144250865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154312.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 144250865 is about 12010.4481598315. The cubic root of 144250865 is about 524.4524783198.

The spelling of 144250865 in words is "one hundred forty-four million, two hundred fifty thousand, eight hundred sixty-five".