1154545753 has 4 divisors (see below), whose sum is σ = 1154805760. Its totient is φ = 1154285748.

The previous prime is 1154545751. The next prime is 1154545757. The reversal of 1154545753 is 3575454511.

It is a happy number.

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: 3575454511 = 149 ⋅23996339.

It is a cyclic number.

It is not a de Polignac number, because 1154545753 - 2¹ = 1154545751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154545751) 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, 123225 + ... + 132262.

It is an arithmetic number, because the mean of its divisors is an integer number (288701440).

Almost surely, 2^1154545753 is an apocalyptic number.

It is an amenable number.

1154545753 is a deficient number, since it is larger than the sum of its proper divisors (260007).

1154545753 is an equidigital number, since it uses as much as digits as its factorization.

1154545753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260006.

The product of its digits is 210000, while the sum is 40.

The square root of 1154545753 is about 33978.6072845842. The cubic root of 1154545753 is about 1049.0681840435.

The spelling of 1154545753 in words is "one billion, one hundred fifty-four million, five hundred forty-five thousand, seven hundred fifty-three".