1162445641 has 4 divisors (see below), whose sum is σ = 1328509312. Its totient is φ = 996381972.

The previous prime is 1162445639. The next prime is 1162445677. The reversal of 1162445641 is 1465442611.

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: 1465442611 = 3677 ⋅398543.

It is a cyclic number.

It is not a de Polignac number, because 1162445641 - 2¹ = 1162445639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1162445597 and 1162445606.

It is not an unprimeable number, because it can be changed into a prime (1162445611) 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, 83031825 + ... + 83031838.

It is an arithmetic number, because the mean of its divisors is an integer number (332127328).

Almost surely, 2^1162445641 is an apocalyptic number.

It is an amenable number.

1162445641 is a deficient number, since it is larger than the sum of its proper divisors (166063671).

1162445641 is an equidigital number, since it uses as much as digits as its factorization.

1162445641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166063670.

The product of its digits is 23040, while the sum is 34.

The square root of 1162445641 is about 34094.6570740930. The cubic root of 1162445641 is about 1051.4554693831.

The spelling of 1162445641 in words is "one billion, one hundred sixty-two million, four hundred forty-five thousand, six hundred forty-one".