1497485842 has 16 divisors (see below), whose sum is σ = 2263898520. Its totient is φ = 742874112.

The previous prime is 1497485839. The next prime is 1497485849. The reversal of 1497485842 is 2485847941.

It can be written as a sum of positive squares in 4 ways, for example, as 605209201 + 892276641 = 24601^2 + 29871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1497485842.

It is not an unprimeable number, because it can be changed into a prime (1497485849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145168 + ... + 155140.

Almost surely, 2^1497485842 is an apocalyptic number.

1497485842 is a deficient number, since it is larger than the sum of its proper divisors (766412678).

1497485842 is a wasteful number, since it uses less digits than its factorization.

1497485842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557.

The product of its digits is 2580480, while the sum is 52.

The square root of 1497485842 is about 38697.3622098458. The cubic root of 1497485842 is about 1144.0743310180.

The spelling of 1497485842 in words is "one billion, four hundred ninety-seven million, four hundred eighty-five thousand, eight hundred forty-two".