9145479424 has 81 divisors (see below), whose sum is σ = 18825072903. Its totient is φ = 4434264576.

The previous prime is 9145479391. The next prime is 9145479451. The reversal of 9145479424 is 4249745419.

The square root of 9145479424 is 95632.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65794747 + ... + 65794885.

Almost surely, 2^9145479424 is an apocalyptic number.

9145479424 is the 95632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145479424

9145479424 is an abundant number, since it is smaller than the sum of its proper divisors (9679593479).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145479424 is an frugal number, since it uses more digits than its factorization.

9145479424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 184 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The cubic root of 9145479424 is about 2091.2317261971.

Multiplying 9145479424 by its sum of digits (49), we get a square (448128491776 = 669424²).

The spelling of 9145479424 in words is "nine billion, one hundred forty-five million, four hundred seventy-nine thousand, four hundred twenty-four".