1145703552 has 64 divisors (see below), whose sum is σ = 3478036800. Its totient is φ = 327343104.

The previous prime is 1145703541. The next prime is 1145703563. The reversal of 1145703552 is 2553075411.

It is an interprime number because it is at equal distance from previous prime (1145703541) and next prime (1145703563).

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210427 + ... + 215802.

It is an arithmetic number, because the mean of its divisors is an integer number (54344325).

Almost surely, 2^1145703552 is an apocalyptic number.

1145703552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145703552 is an abundant number, since it is smaller than the sum of its proper divisors (2332333248).

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

1145703552 is an equidigital number, since it uses as much as digits as its factorization.

1145703552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426253 (or 426241 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1145703552 is about 33848.2429676933. The cubic root of 1145703552 is about 1046.3831876396.

Adding to 1145703552 its reverse (2553075411), we get a palindrome (3698778963).

The spelling of 1145703552 in words is "one billion, one hundred forty-five million, seven hundred three thousand, five hundred fifty-two".