1485444477 has 16 divisors (see below), whose sum is σ = 2167564608. Its totient is φ = 897386880.

The previous prime is 1485444449. The next prime is 1485444523. The reversal of 1485444477 is 7744445841.

It is not a de Polignac number, because 1485444477 - 2⁷ = 1485444349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485444407) 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, 61578 + ... + 82235.

It is an arithmetic number, because the mean of its divisors is an integer number (135472788).

Almost surely, 2^1485444477 is an apocalyptic number.

It is an amenable number.

1485444477 is a deficient number, since it is larger than the sum of its proper divisors (682120131).

1485444477 is a wasteful number, since it uses less digits than its factorization.

1485444477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144140.

The product of its digits is 2007040, while the sum is 48.

The square root of 1485444477 is about 38541.4643857755. The cubic root of 1485444477 is about 1140.9995534664. Note that the first 3 decimals are identical.

The spelling of 1485444477 in words is "one billion, four hundred eighty-five million, four hundred forty-four thousand, four hundred seventy-seven".