1154342044 has 12 divisors (see below), whose sum is σ = 2069369568. Its totient is φ = 563093600.

The previous prime is 1154342027. The next prime is 1154342047. The reversal of 1154342044 is 4402434511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154342047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519172 + ... + 3519499.

It is an arithmetic number, because the mean of its divisors is an integer number (172447464).

Almost surely, 2^1154342044 is an apocalyptic number.

It is an amenable number.

1154342044 is a deficient number, since it is larger than the sum of its proper divisors (915027524).

1154342044 is a wasteful number, since it uses less digits than its factorization.

1154342044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038716 (or 7038714 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1154342044 is about 33975.6095456726. The cubic root of 1154342044 is about 1049.0064809307.

Adding to 1154342044 its reverse (4402434511), we get a palindrome (5556776555).

The spelling of 1154342044 in words is "one billion, one hundred fifty-four million, three hundred forty-two thousand, forty-four".