144250469 has 4 divisors (see below), whose sum is σ = 157364160. Its totient is φ = 131136780.

The previous prime is 144250433. The next prime is 144250481. The reversal of 144250469 is 964052441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964052441 = 11 ⋅87641131.

It is a cyclic number.

It is not a de Polignac number, because 144250469 - 2¹² = 144246373 is a prime.

It is a super-2 number, since 2×144250469² = 41616395613439922, which contains 22 as substring.

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 (144250429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6556829 + ... + 6556850.

It is an arithmetic number, because the mean of its divisors is an integer number (39341040).

Almost surely, 2^144250469 is an apocalyptic number.

It is an amenable number.

144250469 is a deficient number, since it is larger than the sum of its proper divisors (13113691).

144250469 is a wasteful number, since it uses less digits than its factorization.

144250469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113690.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 144250469 is about 12010.4316741739. The cubic root of 144250469 is about 524.4519984073.

The spelling of 144250469 in words is "one hundred forty-four million, two hundred fifty thousand, four hundred sixty-nine".