1145405032 has 16 divisors (see below), whose sum is σ = 2151216900. Its totient is φ = 571747200.

The previous prime is 1145404979. The next prime is 1145405047. The reversal of 1145405032 is 2305045411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1132053316 + 13351716 = 33646^2 + 3654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145404988 and 1145405006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114307 + ... + 123922.

Almost surely, 2^1145405032 is an apocalyptic number.

It is an amenable number.

1145405032 is a deficient number, since it is larger than the sum of its proper divisors (1005811868).

1145405032 is a wasteful number, since it uses less digits than its factorization.

1145405032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238836 (or 238832 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1145405032 is about 33843.8329980515. The cubic root of 1145405032 is about 1046.2922992528.

The spelling of 1145405032 in words is "one billion, one hundred forty-five million, four hundred five thousand, thirty-two".