445072556537 has 8 divisors (see below), whose sum is σ = 530769757056. Its totient is φ = 364904207712.

The previous prime is 445072556497. The next prime is 445072556587. The reversal of 445072556537 is 735655270544.

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

It is a cyclic number.

It is not a de Polignac number, because 445072556537 - 2⁶ = 445072556473 is a prime.

It is a super-2 number, since 2×445072556537² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445072556587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382212748 + ... + 1382213069.

It is an arithmetic number, because the mean of its divisors is an integer number (66346219632).

Almost surely, 2^445072556537 is an apocalyptic number.

It is an amenable number.

445072556537 is a deficient number, since it is larger than the sum of its proper divisors (85697200519).

445072556537 is a wasteful number, since it uses less digits than its factorization.

445072556537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764425847.

The product of its (nonzero) digits is 17640000, while the sum is 53.

The spelling of 445072556537 in words is "four hundred forty-five billion, seventy-two million, five hundred fifty-six thousand, five hundred thirty-seven".