1145402029 has 4 divisors (see below), whose sum is σ = 1146078684. Its totient is φ = 1144725376.

The previous prime is 1145402021. The next prime is 1145402039. The reversal of 1145402029 is 9202045411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1005524100 + 139877929 = 31710^2 + 11827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145402029 - 2³ = 1145402021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145401988 and 1145402006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145402021) 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, 335782 + ... + 339175.

It is an arithmetic number, because the mean of its divisors is an integer number (286519671).

Almost surely, 2^1145402029 is an apocalyptic number.

It is an amenable number.

1145402029 is a deficient number, since it is larger than the sum of its proper divisors (676655).

1145402029 is an equidigital number, since it uses as much as digits as its factorization.

1145402029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676654.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1145402029 is about 33843.7886324803. The cubic root of 1145402029 is about 1046.2913848693.

The spelling of 1145402029 in words is "one billion, one hundred forty-five million, four hundred two thousand, twenty-nine".