1148261453 has 4 divisors (see below), whose sum is σ = 1198185888. Its totient is φ = 1098337020.

The previous prime is 1148261437. The next prime is 1148261473. The reversal of 1148261453 is 3541628411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1148261453 - 2⁴ = 1148261437 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 (1148261423) 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, 24962183 + ... + 24962228.

It is an arithmetic number, because the mean of its divisors is an integer number (299546472).

Almost surely, 2^1148261453 is an apocalyptic number.

It is an amenable number.

1148261453 is a deficient number, since it is larger than the sum of its proper divisors (49924435).

1148261453 is an equidigital number, since it uses as much as digits as its factorization.

1148261453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49924434.

The product of its digits is 23040, while the sum is 35.

The square root of 1148261453 is about 33886.0067431971. The cubic root of 1148261453 is about 1047.1613281913.

Adding to 1148261453 its reverse (3541628411), we get a palindrome (4689889864).

The spelling of 1148261453 in words is "one billion, one hundred forty-eight million, two hundred sixty-one thousand, four hundred fifty-three".