9145459546 has 12 divisors (see below), whose sum is σ = 14207544702. Its totient is φ = 4415048624.

The previous prime is 9145459537. The next prime is 9145459559. The reversal of 9145459546 is 6459545419.

It can be written as a sum of positive squares in 3 ways, for example, as 7139405025 + 2006054521 = 84495^2 + 44789^2 .

It is a super-2 number, since 2×9145459546² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9145459493 and 9145459502.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2716945 + ... + 2720308.

Almost surely, 2^9145459546 is an apocalyptic number.

9145459546 is a deficient number, since it is larger than the sum of its proper divisors (5062085156).

9145459546 is a wasteful number, since it uses less digits than its factorization.

9145459546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437313 (or 5437284 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The square root of 9145459546 is about 95631.8960702965. The cubic root of 9145459546 is about 2091.2302110757.

The spelling of 9145459546 in words is "nine billion, one hundred forty-five million, four hundred fifty-nine thousand, five hundred forty-six".