144249435 has 48 divisors (see below), whose sum is σ = 276127488. Its totient is φ = 69076800.

The previous prime is 144249407. The next prime is 144249461. The reversal of 144249435 is 534942441.

It is not a de Polignac number, because 144249435 - 2⁸ = 144249179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144249435.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39330 + ... + 42840.

It is an arithmetic number, because the mean of its divisors is an integer number (5752656).

Almost surely, 2^144249435 is an apocalyptic number.

144249435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144249435 is a deficient number, since it is larger than the sum of its proper divisors (131878053).

144249435 is a wasteful number, since it uses less digits than its factorization.

144249435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616 (or 3613 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 144249435 is about 12010.3886281835. The cubic root of 144249435 is about 524.4507452983.

The spelling of 144249435 in words is "one hundred forty-four million, two hundred forty-nine thousand, four hundred thirty-five".