1490493745 has 16 divisors (see below), whose sum is σ = 1927316160. Its totient is φ = 1100021184.

The previous prime is 1490493727. The next prime is 1490493811. The reversal of 1490493745 is 5473940941.

It is a cyclic number.

It is not a de Polignac number, because 1490493745 - 2⁵ = 1490493713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1490493695 and 1490493704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122842 + ... + 134428.

It is an arithmetic number, because the mean of its divisors is an integer number (120457260).

Almost surely, 2^1490493745 is an apocalyptic number.

It is an amenable number.

1490493745 is a deficient number, since it is larger than the sum of its proper divisors (436822415).

1490493745 is a wasteful number, since it uses less digits than its factorization.

1490493745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13584.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1490493745 is about 38606.9131762694. The cubic root of 1490493745 is about 1142.2909059101.

The spelling of 1490493745 in words is "one billion, four hundred ninety million, four hundred ninety-three thousand, seven hundred forty-five".