144371436 has 24 divisors (see below), whose sum is σ = 367491264. Its totient is φ = 43748880.

The previous prime is 144371413. The next prime is 144371453. The reversal of 144371436 is 634173441.

It is a super-2 number, since 2×144371436² = 41686223065404192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 144371397 and 144371406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546730 + ... + 546993.

It is an arithmetic number, because the mean of its divisors is an integer number (15312136).

Almost surely, 2^144371436 is an apocalyptic number.

It is an amenable number.

144371436 is an abundant number, since it is smaller than the sum of its proper divisors (223119828).

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

144371436 is a wasteful number, since it uses less digits than its factorization.

144371436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093741 (or 1093739 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 144371436 is about 12015.4665327652. The cubic root of 144371436 is about 524.5985575134.

The spelling of 144371436 in words is "one hundred forty-four million, three hundred seventy-one thousand, four hundred thirty-six".