1485299477 has 4 divisors (see below), whose sum is σ = 1487029440. Its totient is φ = 1483569516.

The previous prime is 1485299471. The next prime is 1485299533. The reversal of 1485299477 is 7749925841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7749925841 = 7 ⋅1107132263.

It is a cyclic number.

It is not a de Polignac number, because 1485299477 - 2¹² = 1485295381 is a prime.

It is a super-2 number, since 2×1485299477² = 4412229072752947058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485299471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863693 + ... + 865410.

It is an arithmetic number, because the mean of its divisors is an integer number (371757360).

Almost surely, 2^1485299477 is an apocalyptic number.

It is an amenable number.

1485299477 is a deficient number, since it is larger than the sum of its proper divisors (1729963).

1485299477 is an equidigital number, since it uses as much as digits as its factorization.

1485299477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729962.

The product of its digits is 5080320, while the sum is 56.

The square root of 1485299477 is about 38539.5832489144. The cubic root of 1485299477 is about 1140.9624264603.

The spelling of 1485299477 in words is "one billion, four hundred eighty-five million, two hundred ninety-nine thousand, four hundred seventy-seven".