1146243646 has 16 divisors (see below), whose sum is σ = 1767196080. Its totient is φ = 557202240.

The previous prime is 1146243643. The next prime is 1146243677. The reversal of 1146243646 is 6463426411.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146243641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104365 + ... + 114823.

It is an arithmetic number, because the mean of its divisors is an integer number (110449755).

Almost surely, 2^1146243646 is an apocalyptic number.

1146243646 is a deficient number, since it is larger than the sum of its proper divisors (620952434).

1146243646 is a wasteful number, since it uses less digits than its factorization.

1146243646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979.

The product of its digits is 82944, while the sum is 37.

The square root of 1146243646 is about 33856.2201965902. The cubic root of 1146243646 is about 1046.5475863327.

The spelling of 1146243646 in words is "one billion, one hundred forty-six million, two hundred forty-three thousand, six hundred forty-six".