1144353645240 has 64 divisors (see below), whose sum is σ = 3697142551200. Its totient is φ = 281687050752.

The previous prime is 1144353645223. The next prime is 1144353645247. The reversal of 1144353645240 is 425463534411.

It is a junction number, because it is equal to n+sod(n) for n = 1144353645192 and 1144353645201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144353645247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366778455 + ... + 366781574.

Almost surely, 2^{1144353645240} is an apocalyptic number.

1144353645240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144353645240 is an abundant number, since it is smaller than the sum of its proper divisors (2552788905960).

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

1144353645240 is a wasteful number, since it uses less digits than its factorization.

1144353645240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733560056 (or 733560052 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1144353645240 in words is "one trillion, one hundred forty-four billion, three hundred fifty-three million, six hundred forty-five thousand, two hundred forty".