1445235424 has 24 divisors (see below), whose sum is σ = 2891955528. Its totient is φ = 710770560.

The previous prime is 1445235413. The next prime is 1445235443. The reversal of 1445235424 is 4245325441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445235424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368242 + ... + 372145.

It is an arithmetic number, because the mean of its divisors is an integer number (120498147).

Almost surely, 2^1445235424 is an apocalyptic number.

It is an amenable number.

1445235424 is an abundant number, since it is smaller than the sum of its proper divisors (1446720104).

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

1445235424 is an equidigital number, since it uses as much as digits as its factorization.

1445235424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740458 (or 740450 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 1445235424 is about 38016.2521035412. The cubic root of 1445235424 is about 1130.6101135261.

The spelling of 1445235424 in words is "one billion, four hundred forty-five million, two hundred thirty-five thousand, four hundred twenty-four".