1464554642 has 4 divisors (see below), whose sum is σ = 2196831966. Its totient is φ = 732277320.

The previous prime is 1464554617. The next prime is 1464554653. The reversal of 1464554642 is 2464554641.

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., 1321249801 + 143304841 = 36349^2 + 11971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1464554642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366138659 + ... + 366138662.

Almost surely, 2^1464554642 is an apocalyptic number.

1464554642 is a deficient number, since it is larger than the sum of its proper divisors (732277324).

1464554642 is an equidigital number, since it uses as much as digits as its factorization.

1464554642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732277323.

The product of its digits is 460800, while the sum is 41.

The square root of 1464554642 is about 38269.5001535165. The cubic root of 1464554642 is about 1135.6256499988.

Subtracting 1464554642 from its reverse (2464554641), we obtain a palindrome (999999999).

The spelling of 1464554642 in words is "one billion, four hundred sixty-four million, five hundred fifty-four thousand, six hundred forty-two".