1146243505 has 32 divisors (see below), whose sum is σ = 1519896960. Its totient is φ = 822958080.

The previous prime is 1146243503. The next prime is 1146243509. The reversal of 1146243505 is 5053426411.

It is a happy number.

It is not a de Polignac number, because 1146243505 - 2¹ = 1146243503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146243503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1702849 + ... + 1703521.

It is an arithmetic number, because the mean of its divisors is an integer number (47496780).

Almost surely, 2^1146243505 is an apocalyptic number.

It is an amenable number.

1146243505 is a deficient number, since it is larger than the sum of its proper divisors (373653455).

1146243505 is a wasteful number, since it uses less digits than its factorization.

1146243505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1146243505 is about 33856.2181142549. The cubic root of 1146243505 is about 1046.5475434206.

Adding to 1146243505 its reverse (5053426411), we get a palindrome (6199669916).

The spelling of 1146243505 in words is "one billion, one hundred forty-six million, two hundred forty-three thousand, five hundred five".