1445514520 has 32 divisors (see below), whose sum is σ = 3340314000. Its totient is φ = 562578048.

The previous prime is 1445514493. The next prime is 1445514529. The reversal of 1445514520 is 254155441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445514529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486870 + ... + 489829.

Almost surely, 2^1445514520 is an apocalyptic number.

1445514520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445514520 is an abundant number, since it is smaller than the sum of its proper divisors (1894799480).

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

1445514520 is a wasteful number, since it uses less digits than its factorization.

1445514520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976747 (or 976743 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1445514520 is about 38019.9226721991. The cubic root of 1445514520 is about 1130.6828879324.

Adding to 1445514520 its reverse (254155441), we get a palindrome (1699669961).

The spelling of 1445514520 in words is "one billion, four hundred forty-five million, five hundred fourteen thousand, five hundred twenty".