1156342004 has 6 divisors (see below), whose sum is σ = 2023598514. Its totient is φ = 578171000.

The previous prime is 1156341959. The next prime is 1156342013. The reversal of 1156342004 is 4002436511.

It can be written as a sum of positive squares in only one way, i.e., 1151923600 + 4418404 = 33940^2 + 2102^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144542747 + ... + 144542754.

It is an arithmetic number, because the mean of its divisors is an integer number (337266419).

Almost surely, 2^1156342004 is an apocalyptic number.

It is an amenable number.

1156342004 is a deficient number, since it is larger than the sum of its proper divisors (867256510).

1156342004 is a wasteful number, since it uses less digits than its factorization.

1156342004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289085505 (or 289085503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1156342004 is about 34005.0290986495. The cubic root of 1156342004 is about 1049.6119515424.

Adding to 1156342004 its reverse (4002436511), we get a palindrome (5158778515).

The spelling of 1156342004 in words is "one billion, one hundred fifty-six million, three hundred forty-two thousand, four".