1473212645 has 8 divisors (see below), whose sum is σ = 1801211256. Its totient is φ = 1156332736.

The previous prime is 1473212641. The next prime is 1473212651. The reversal of 1473212645 is 5462123741.

It can be written as a sum of positive squares in 4 ways, for example, as 761870404 + 711342241 = 27602^2 + 26671^2 .

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 1473212645 - 2² = 1473212641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473212641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779382 + ... + 2779911.

It is an arithmetic number, because the mean of its divisors is an integer number (225151407).

Almost surely, 2^1473212645 is an apocalyptic number.

It is an amenable number.

1473212645 is a deficient number, since it is larger than the sum of its proper divisors (327998611).

1473212645 is an equidigital number, since it uses as much as digits as its factorization.

1473212645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559351.

The product of its digits is 40320, while the sum is 35.

The square root of 1473212645 is about 38382.4523057087. The cubic root of 1473212645 is about 1137.8590794870.

The spelling of 1473212645 in words is "one billion, four hundred seventy-three million, two hundred twelve thousand, six hundred forty-five".