1145202304 has 16 divisors (see below), whose sum is σ = 2281457970. Its totient is φ = 572601088.

The previous prime is 1145202299. The next prime is 1145202347. The reversal of 1145202304 is 4032025411.

It can be written as a sum of positive squares in only one way, i.e., 1016334400 + 128867904 = 31880^2 + 11352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1145202304² = 2622976634173816832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473319 + ... + 4473574.

Almost surely, 2^1145202304 is an apocalyptic number.

It is an amenable number.

1145202304 is a deficient number, since it is larger than the sum of its proper divisors (1136255666).

1145202304 is an frugal number, since it uses more digits than its factorization.

1145202304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946907 (or 8946895 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1145202304 is about 33840.8378146877. The cubic root of 1145202304 is about 1046.2305670112.

Adding to 1145202304 its reverse (4032025411), we get a palindrome (5177227715).

The spelling of 1145202304 in words is "one billion, one hundred forty-five million, two hundred two thousand, three hundred four".