1145134402 has 8 divisors (see below), whose sum is σ = 1727631036. Its totient is φ = 569257392.

The previous prime is 1145134379. The next prime is 1145134411. The reversal of 1145134402 is 2044315411.

It can be written as a sum of positive squares in 2 ways, for example, as 1011939721 + 133194681 = 31811^2 + 11541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1145134402² = 2622665597287795208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654473 + ... + 1655164.

Almost surely, 2^1145134402 is an apocalyptic number.

1145134402 is a deficient number, since it is larger than the sum of its proper divisors (582496634).

1145134402 is a wasteful number, since it uses less digits than its factorization.

1145134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309812.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145134402 is about 33839.8345445128. The cubic root of 1145134402 is about 1046.2098886991.

Adding to 1145134402 its reverse (2044315411), we get a palindrome (3189449813).

The spelling of 1145134402 in words is "one billion, one hundred forty-five million, one hundred thirty-four thousand, four hundred two".