1494574745 has 4 divisors (see below), whose sum is σ = 1793489700. Its totient is φ = 1195659792.

The previous prime is 1494574729. The next prime is 1494574777. The reversal of 1494574745 is 5474754941.

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 675012361 + 819562384 = 25981^2 + 28628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494574745 - 2⁴ = 1494574729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494574693 and 1494574702.

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, 149457470 + ... + 149457479.

It is an arithmetic number, because the mean of its divisors is an integer number (448372425).

Almost surely, 2^1494574745 is an apocalyptic number.

It is an amenable number.

1494574745 is a deficient number, since it is larger than the sum of its proper divisors (298914955).

1494574745 is an equidigital number, since it uses as much as digits as its factorization.

1494574745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298914954.

The product of its digits is 2822400, while the sum is 50.

The square root of 1494574745 is about 38659.7302758309. The cubic root of 1494574745 is about 1143.3324938771.

The spelling of 1494574745 in words is "one billion, four hundred ninety-four million, five hundred seventy-four thousand, seven hundred forty-five".