4445021534 has 8 divisors (see below), whose sum is σ = 6667859088. Its totient is φ = 2222401840.

The previous prime is 4445021533. The next prime is 4445021621. The reversal of 4445021534 is 4351205444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4445021534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445021533) 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, 13514 + ... + 95250.

It is an arithmetic number, because the mean of its divisors is an integer number (833482386).

Almost surely, 2^4445021534 is an apocalyptic number.

4445021534 is a deficient number, since it is larger than the sum of its proper divisors (2222837554).

4445021534 is a wasteful number, since it uses less digits than its factorization.

4445021534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108930.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4445021534 is about 66670.9946978444. The cubic root of 4445021534 is about 1644.2125410687.

Adding to 4445021534 its reverse (4351205444), we get a palindrome (8796226978).

The spelling of 4445021534 in words is "four billion, four hundred forty-five million, twenty-one thousand, five hundred thirty-four".