1445544534 has 32 divisors (see below), whose sum is σ = 3334991616. Its totient is φ = 409151520.

The previous prime is 1445544533. The next prime is 1445544547. The reversal of 1445544534 is 4354455441.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1445544492 and 1445544501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445544533) 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 15 ways as a sum of consecutive naturals, for example, 156337 + ... + 165324.

It is an arithmetic number, because the mean of its divisors is an integer number (104218488).

Almost surely, 2^1445544534 is an apocalyptic number.

1445544534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1445544534 is an abundant number, since it is smaller than the sum of its proper divisors (1889447082).

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

1445544534 is a wasteful number, since it uses less digits than its factorization.

1445544534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321780.

The product of its digits is 384000, while the sum is 39.

The square root of 1445544534 is about 38020.3173842618. The cubic root of 1445544534 is about 1130.6907135384.

Adding to 1445544534 its reverse (4354455441), we get a palindrome (5799999975).

The spelling of 1445544534 in words is "one billion, four hundred forty-five million, five hundred forty-four thousand, five hundred thirty-four".