1146402505 has 8 divisors (see below), whose sum is σ = 1376216712. Its totient is φ = 916766208.

The previous prime is 1146402493. The next prime is 1146402511. The reversal of 1146402505 is 5052046411.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 1143318969 = 1756^2 + 33813^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1146402505 - 2⁵ = 1146402473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29862 + ... + 56431.

It is an arithmetic number, because the mean of its divisors is an integer number (172027089).

Almost surely, 2^1146402505 is an apocalyptic number.

It is an amenable number.

1146402505 is a deficient number, since it is larger than the sum of its proper divisors (229814207).

1146402505 is an equidigital number, since it uses as much as digits as its factorization.

1146402505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88955.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1146402505 is about 33858.5661982311. The cubic root of 1146402505 is about 1046.5959314421.

Adding to 1146402505 its reverse (5052046411), we get a palindrome (6198448916).

It can be divided in two parts, 1146 and 402505, that added together give a triangular number (403651 = T₈₉₈).

The spelling of 1146402505 in words is "one billion, one hundred forty-six million, four hundred two thousand, five hundred five".