1156146164 has 6 divisors (see below), whose sum is σ = 2023255794. Its totient is φ = 578073080.

The previous prime is 1156146137. The next prime is 1156146169. The reversal of 1156146164 is 4616416511.

It can be written as a sum of positive squares in only one way, i.e., 898800400 + 257345764 = 29980^2 + 16042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156146169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144518267 + ... + 144518274.

It is an arithmetic number, because the mean of its divisors is an integer number (337209299).

Almost surely, 2^1156146164 is an apocalyptic number.

It is an amenable number.

1156146164 is a deficient number, since it is larger than the sum of its proper divisors (867109630).

1156146164 is a wasteful number, since it uses less digits than its factorization.

1156146164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289036545 (or 289036543 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1156146164 is about 34002.1494026481. The cubic root of 1156146164 is about 1049.5526935231.

The spelling of 1156146164 in words is "one billion, one hundred fifty-six million, one hundred forty-six thousand, one hundred sixty-four".