1125463545 has 16 divisors (see below), whose sum is σ = 2000824320. Its totient is φ = 600247152.

The previous prime is 1125463513. The next prime is 1125463567. The reversal of 1125463545 is 5453645211.

1125463545 is a `hidden beast` number, since 1 + 1 + 2 + 54 + 63 + 545 = 666.

It is not a de Polignac number, because 1125463545 - 2⁵ = 1125463513 is a prime.

It is a super-2 number, since 2×1125463545² = 2533336382247934050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4168249 + ... + 4168518.

It is an arithmetic number, because the mean of its divisors is an integer number (125051520).

Almost surely, 2^1125463545 is an apocalyptic number.

1125463545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125463545 is a deficient number, since it is larger than the sum of its proper divisors (875360775).

1125463545 is an equidigital number, since it uses as much as digits as its factorization.

1125463545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336781 (or 8336775 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1125463545 is about 33547.9290717028. The cubic root of 1125463545 is about 1040.1847382007.

The spelling of 1125463545 in words is "one billion, one hundred twenty-five million, four hundred sixty-three thousand, five hundred forty-five".