1123153545 has 32 divisors (see below), whose sum is σ = 1827504000. Its totient is φ = 588916224.

The previous prime is 1123153543. The next prime is 1123153547. The reversal of 1123153545 is 5453513211.

1123153545 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1123153543) and next prime (1123153547).

It is not a de Polignac number, because 1123153545 - 2¹ = 1123153543 is a prime.

It is a super-2 number, since 2×1123153545² = 2522947771292134050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123153543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380686 + ... + 383624.

It is an arithmetic number, because the mean of its divisors is an integer number (57109500).

Almost surely, 2^1123153545 is an apocalyptic number.

1123153545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123153545 is a deficient number, since it is larger than the sum of its proper divisors (704350455).

1123153545 is a wasteful number, since it uses less digits than its factorization.

1123153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its digits is 9000, while the sum is 30.

The square root of 1123153545 is about 33513.4830329526. The cubic root of 1123153545 is about 1039.4725953220.

Adding to 1123153545 its reverse (5453513211), we get a palindrome (6576666756).

The spelling of 1123153545 in words is "one billion, one hundred twenty-three million, one hundred fifty-three thousand, five hundred forty-five".