1164451542 has 16 divisors (see below), whose sum is σ = 2335151280. Its totient is φ = 387109152.

The previous prime is 1164451517. The next prime is 1164451549. The reversal of 1164451542 is 2451544611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164451549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257917 + ... + 262392.

It is an arithmetic number, because the mean of its divisors is an integer number (145946955).

Almost surely, 2^1164451542 is an apocalyptic number.

1164451542 is an abundant number, since it is smaller than the sum of its proper divisors (1170699738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164451542 is a wasteful number, since it uses less digits than its factorization.

1164451542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520687.

The product of its digits is 19200, while the sum is 33.

The square root of 1164451542 is about 34124.0610420272. The cubic root of 1164451542 is about 1052.0599144458.

The spelling of 1164451542 in words is "one billion, one hundred sixty-four million, four hundred fifty-one thousand, five hundred forty-two".