1452513161 has 12 divisors (see below), whose sum is σ = 1597868916. Its totient is φ = 1319387520.

The previous prime is 1452513157. The next prime is 1452513173. The reversal of 1452513161 is 1613152541.

It can be written as a sum of positive squares in 2 ways, for example, as 699285136 + 753228025 = 26444^2 + 27445^2 .

It is not a de Polignac number, because 1452513161 - 2² = 1452513157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452513131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169205 + ... + 177581.

It is an arithmetic number, because the mean of its divisors is an integer number (133155743).

Almost surely, 2^1452513161 is an apocalyptic number.

1452513161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1452513161 is a deficient number, since it is larger than the sum of its proper divisors (145355755).

1452513161 is a wasteful number, since it uses less digits than its factorization.

1452513161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832 (or 9821 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1452513161 is about 38111.8506635403. The cubic root of 1452513161 is about 1132.5047321638.

The spelling of 1452513161 in words is "one billion, four hundred fifty-two million, five hundred thirteen thousand, one hundred sixty-one".