1473748945 has 4 divisors (see below), whose sum is σ = 1768498740. Its totient is φ = 1178999152.

The previous prime is 1473748931. The next prime is 1473748957. The reversal of 1473748945 is 5498473741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360392256 + 1113356689 = 18984^2 + 33367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473748945 - 2¹⁹ = 1473224657 is a prime.

It is a super-2 number, since 2×1473748945² = 4343871905777226050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1473748892 and 1473748901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147374890 + ... + 147374899.

It is an arithmetic number, because the mean of its divisors is an integer number (442124685).

Almost surely, 2^1473748945 is an apocalyptic number.

It is an amenable number.

1473748945 is a deficient number, since it is larger than the sum of its proper divisors (294749795).

1473748945 is an equidigital number, since it uses as much as digits as its factorization.

1473748945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294749794.

The product of its digits is 3386880, while the sum is 52.

The square root of 1473748945 is about 38389.4379354530. The cubic root of 1473748945 is about 1137.9971359974.

The spelling of 1473748945 in words is "one billion, four hundred seventy-three million, seven hundred forty-eight thousand, nine hundred forty-five".