1154425141 has 4 divisors (see below), whose sum is σ = 1167396300. Its totient is φ = 1141453984.

The previous prime is 1154425109. The next prime is 1154425147. The reversal of 1154425141 is 1415244511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 464574916 + 689850225 = 21554^2 + 26265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154425141 - 2⁵ = 1154425109 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 (1154425147) 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, 6485446 + ... + 6485623.

It is an arithmetic number, because the mean of its divisors is an integer number (291849075).

Almost surely, 2^1154425141 is an apocalyptic number.

It is an amenable number.

1154425141 is a deficient number, since it is larger than the sum of its proper divisors (12971159).

1154425141 is an equidigital number, since it uses as much as digits as its factorization.

1154425141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971158.

The product of its digits is 3200, while the sum is 28.

The square root of 1154425141 is about 33976.8324156329. The cubic root of 1154425141 is about 1049.0316517485.

Adding to 1154425141 its reverse (1415244511), we get a palindrome (2569669652).

The spelling of 1154425141 in words is "one billion, one hundred fifty-four million, four hundred twenty-five thousand, one hundred forty-one".