1206456445 has 8 divisors (see below), whose sum is σ = 1447939800. Its totient is φ = 965037120.

The previous prime is 1206456443. The next prime is 1206456469. The reversal of 1206456445 is 5446546021.

It can be written as a sum of positive squares in 4 ways, for example, as 114682681 + 1091773764 = 10709^2 + 33042^2 .

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

It is not a de Polignac number, because 1206456445 - 2¹ = 1206456443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206456443) 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, 50815 + ... + 70675.

It is an arithmetic number, because the mean of its divisors is an integer number (180992475).

Almost surely, 2^1206456445 is an apocalyptic number.

It is an amenable number.

1206456445 is a deficient number, since it is larger than the sum of its proper divisors (241483355).

1206456445 is a wasteful number, since it uses less digits than its factorization.

1206456445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32015.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1206456445 is about 34734.0818937251. The cubic root of 1206456445 is about 1064.5609937251.

The spelling of 1206456445 in words is "one billion, two hundred six million, four hundred fifty-six thousand, four hundred forty-five".