1145633402 has 8 divisors (see below), whose sum is σ = 1744098816. Its totient is φ = 564267132.

The previous prime is 1145633393. The next prime is 1145633407. The reversal of 1145633402 is 2043365411.

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

It is not an unprimeable number, because it can be changed into a prime (1145633407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274618 + ... + 4274885.

It is an arithmetic number, because the mean of its divisors is an integer number (218012352).

Almost surely, 2^1145633402 is an apocalyptic number.

1145633402 is a deficient number, since it is larger than the sum of its proper divisors (598465414).

1145633402 is an equidigital number, since it uses as much as digits as its factorization.

1145633402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549572.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1145633402 is about 33847.2067089738. The cubic root of 1145633402 is about 1046.3618309578.

Adding to 1145633402 its reverse (2043365411), we get a palindrome (3188998813).

The spelling of 1145633402 in words is "one billion, one hundred forty-five million, six hundred thirty-three thousand, four hundred two".