1485569457 has 16 divisors (see below), whose sum is σ = 2276736000. Its totient is φ = 956228112.

The previous prime is 1485569431. The next prime is 1485569513. The reversal of 1485569457 is 7549655841.

It is a happy number.

1485569457 is a `hidden beast` number, since 1 + 48 + 556 + 9 + 45 + 7 = 666.

It is not a de Polignac number, because 1485569457 - 2⁷ = 1485569329 is a prime.

It is a super-2 number, since 2×1485569457² = 4413833223142549698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1485569357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947857 + ... + 949422.

It is an arithmetic number, because the mean of its divisors is an integer number (142296000).

Almost surely, 2^1485569457 is an apocalyptic number.

It is an amenable number.

1485569457 is a deficient number, since it is larger than the sum of its proper divisors (791166543).

1485569457 is a wasteful number, since it uses less digits than its factorization.

1485569457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897317 (or 1897311 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 1485569457 is about 38543.0857223445. The cubic root of 1485569457 is about 1141.0315524466.

The spelling of 1485569457 in words is "one billion, four hundred eighty-five million, five hundred sixty-nine thousand, four hundred fifty-seven".