1445252524 has 12 divisors (see below), whose sum is σ = 2530592064. Its totient is φ = 722226224.

The previous prime is 1445252509. The next prime is 1445252527. The reversal of 1445252524 is 4252525441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445252524.

It is not an unprimeable number, because it can be changed into a prime (1445252527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91807 + ... + 106390.

It is an arithmetic number, because the mean of its divisors is an integer number (210882672).

Almost surely, 2^1445252524 is an apocalyptic number.

It is an amenable number.

1445252524 is a deficient number, since it is larger than the sum of its proper divisors (1085339540).

1445252524 is a wasteful number, since it uses less digits than its factorization.

1445252524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200024 (or 200022 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 1445252524 is about 38016.4770066875. The cubic root of 1445252524 is about 1130.6145726281.

Adding to 1445252524 its reverse (4252525441), we get a palindrome (5697777965).

It can be divided in two parts, 14 and 45252524, that multiplied together give a palindrome (633535336).

The spelling of 1445252524 in words is "one billion, four hundred forty-five million, two hundred fifty-two thousand, five hundred twenty-four".