1464940243 has 4 divisors (see below), whose sum is σ = 1577627968. Its totient is φ = 1352252520.

The previous prime is 1464940229. The next prime is 1464940273. The reversal of 1464940243 is 3420494641.

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

It is a cyclic number.

It is not a de Polignac number, because 1464940243 - 2⁹ = 1464939731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464940273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56343843 + ... + 56343868.

It is an arithmetic number, because the mean of its divisors is an integer number (394406992).

Almost surely, 2^1464940243 is an apocalyptic number.

1464940243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1464940243 is a deficient number, since it is larger than the sum of its proper divisors (112687725).

1464940243 is a wasteful number, since it uses less digits than its factorization.

1464940243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112687724.

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

The square root of 1464940243 is about 38274.5377895018. The cubic root of 1464940243 is about 1135.7253071341.

The spelling of 1464940243 in words is "one billion, four hundred sixty-four million, nine hundred forty thousand, two hundred forty-three".