1143602354 has 4 divisors (see below), whose sum is σ = 1715403534. Its totient is φ = 571801176.

The previous prime is 1143602353. The next prime is 1143602363. The reversal of 1143602354 is 4532063411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1136701225 + 6901129 = 33715^2 + 2627^2 .

It is not an unprimeable number, because it can be changed into a prime (1143602353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285900587 + ... + 285900590.

Almost surely, 2^1143602354 is an apocalyptic number.

1143602354 is a deficient number, since it is larger than the sum of its proper divisors (571801180).

1143602354 is an equidigital number, since it uses as much as digits as its factorization.

1143602354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571801179.

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

The square root of 1143602354 is about 33817.1902144457. The cubic root of 1143602354 is about 1045.7431140571.

Adding to 1143602354 its reverse (4532063411), we get a palindrome (5675665765).

The spelling of 1143602354 in words is "one billion, one hundred forty-three million, six hundred two thousand, three hundred fifty-four".