445155243 has 8 divisors (see below), whose sum is σ = 639197328. Its totient is φ = 273941664.

The previous prime is 445155223. The next prime is 445155259. The reversal of 445155243 is 342551544.

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

It is not a de Polignac number, because 445155243 - 2²² = 440960939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445155223) 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, 5707080 + ... + 5707157.

It is an arithmetic number, because the mean of its divisors is an integer number (79899666).

Almost surely, 2^445155243 is an apocalyptic number.

445155243 is a deficient number, since it is larger than the sum of its proper divisors (194042085).

445155243 is a wasteful number, since it uses less digits than its factorization.

445155243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414253.

The product of its digits is 48000, while the sum is 33.

The square root of 445155243 is about 21098.7024008587. The cubic root of 445155243 is about 763.5494422955.

The spelling of 445155243 in words is "four hundred forty-five million, one hundred fifty-five thousand, two hundred forty-three".