144294436 has 144 divisors (see below), whose sum is σ = 337841280. Its totient is φ = 53222400.

The previous prime is 144294407. The next prime is 144294443. The reversal of 144294436 is 634492441.

It is a junction number, because it is equal to n+sod(n) for n = 144294395 and 144294404.

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, 2032281 + ... + 2032351.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^144294436 is an apocalyptic number.

It is an amenable number.

144294436 is an abundant number, since it is smaller than the sum of its proper divisors (193546844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144294436 is a wasteful number, since it uses less digits than its factorization.

144294436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 133 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 144294436 is about 12012.2619019067. The cubic root of 144294436 is about 524.5052766597.

The spelling of 144294436 in words is "one hundred forty-four million, two hundred ninety-four thousand, four hundred thirty-six".