1146153161 has 4 divisors (see below), whose sum is σ = 1149146112. Its totient is φ = 1143160212.

The previous prime is 1146153133. The next prime is 1146153179. The reversal of 1146153161 is 1613516411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1613516411 = 13 ⋅124116647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146153161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1146153061) 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, 1495901 + ... + 1496666.

It is an arithmetic number, because the mean of its divisors is an integer number (287286528).

Almost surely, 2^1146153161 is an apocalyptic number.

It is an amenable number.

1146153161 is a deficient number, since it is larger than the sum of its proper divisors (2992951).

1146153161 is an equidigital number, since it uses as much as digits as its factorization.

1146153161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992950.

The product of its digits is 2160, while the sum is 29.

The square root of 1146153161 is about 33854.8838574289. The cubic root of 1146153161 is about 1046.5200472923.

Adding to 1146153161 its reverse (1613516411), we get a palindrome (2759669572).

The spelling of 1146153161 in words is "one billion, one hundred forty-six million, one hundred fifty-three thousand, one hundred sixty-one".