445013545 has 8 divisors (see below), whose sum is σ = 557234496. Its totient is φ = 340532016.

The previous prime is 445013521. The next prime is 445013561. The reversal of 445013545 is 545310544.

It is a happy number.

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 445013545 - 2¹⁹ = 444489257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934727 + ... + 1934956.

It is an arithmetic number, because the mean of its divisors is an integer number (69654312).

Almost surely, 2^445013545 is an apocalyptic number.

It is an amenable number.

445013545 is a deficient number, since it is larger than the sum of its proper divisors (112220951).

445013545 is a wasteful number, since it uses less digits than its factorization.

445013545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869711.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 445013545 is about 21095.3441545759. The cubic root of 445013545 is about 763.4684181941.

The spelling of 445013545 in words is "four hundred forty-five million, thirteen thousand, five hundred forty-five".