1145552023 has 16 divisors (see below), whose sum is σ = 1430470656. Its totient is φ = 891231840.

The previous prime is 1145551991. The next prime is 1145552033. The reversal of 1145552023 is 3202555411.

It is a cyclic number.

It is not a de Polignac number, because 1145552023 - 2⁵ = 1145551991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145551982 and 1145552000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145552033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38890 + ... + 61672.

It is an arithmetic number, because the mean of its divisors is an integer number (89404416).

Almost surely, 2^1145552023 is an apocalyptic number.

1145552023 is a deficient number, since it is larger than the sum of its proper divisors (284918633).

1145552023 is a wasteful number, since it uses less digits than its factorization.

1145552023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23454.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1145552023 is about 33846.0045352476. The cubic root of 1145552023 is about 1046.3370545922.

The spelling of 1145552023 in words is "one billion, one hundred forty-five million, five hundred fifty-two thousand, twenty-three".