1153450141 has 4 divisors (see below), whose sum is σ = 1153528992. Its totient is φ = 1153371292.

The previous prime is 1153450097. The next prime is 1153450163. The reversal of 1153450141 is 1410543511.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153450141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153450241) 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, 10321 + ... + 49126.

It is an arithmetic number, because the mean of its divisors is an integer number (288382248).

Almost surely, 2^1153450141 is an apocalyptic number.

It is an amenable number.

1153450141 is a deficient number, since it is larger than the sum of its proper divisors (78851).

1153450141 is an equidigital number, since it uses as much as digits as its factorization.

1153450141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78850.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1153450141 is about 33962.4813728326. The cubic root of 1153450141 is about 1048.7362395111.

Adding to 1153450141 its reverse (1410543511), we get a palindrome (2563993652).

The spelling of 1153450141 in words is "one billion, one hundred fifty-three million, four hundred fifty thousand, one hundred forty-one".