1494444945 has 32 divisors (see below), whose sum is σ = 2734599168. Its totient is φ = 682699968.

The previous prime is 1494444923. The next prime is 1494444949. The reversal of 1494444945 is 5494444941.

It is not a de Polignac number, because 1494444945 - 2¹⁴ = 1494428561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1494444894 and 1494444903.

It is not an unprimeable number, because it can be changed into a prime (1494444949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179362 + ... + 187508.

It is an arithmetic number, because the mean of its divisors is an integer number (85456224).

Almost surely, 2^1494444945 is an apocalyptic number.

1494444945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1494444945 is a deficient number, since it is larger than the sum of its proper divisors (1240154223).

1494444945 is a wasteful number, since it uses less digits than its factorization.

1494444945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909.

The product of its digits is 1658880, while the sum is 48.

The square root of 1494444945 is about 38658.0514899548. The cubic root of 1494444945 is about 1143.2993944164.

The spelling of 1494444945 in words is "one billion, four hundred ninety-four million, four hundred forty-four thousand, nine hundred forty-five".