1154452002 has 32 divisors (see below), whose sum is σ = 2520806400. Its totient is φ = 349555920.

The previous prime is 1154451959. The next prime is 1154452007. The reversal of 1154452002 is 2002544511.

It is not an unprimeable number, because it can be changed into a prime (1154452007) 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 15 ways as a sum of consecutive naturals, for example, 86083 + ... + 98585.

It is an arithmetic number, because the mean of its divisors is an integer number (78775200).

Almost surely, 2^1154452002 is an apocalyptic number.

1154452002 is an abundant number, since it is smaller than the sum of its proper divisors (1366354398).

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

1154452002 is a wasteful number, since it uses less digits than its factorization.

1154452002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1154452002 is about 33977.2276973858. The cubic root of 1154452002 is about 1049.0397879252.

Adding to 1154452002 its reverse (2002544511), we get a palindrome (3156996513).

It can be divided in two parts, 11544 and 52002, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 1154452002 in words is "one billion, one hundred fifty-four million, four hundred fifty-two thousand, two".