1145554023 has 8 divisors (see below), whose sum is σ = 1607795200. Its totient is φ = 723507768.

The previous prime is 1145553991. The next prime is 1145554049. The reversal of 1145554023 is 3204555411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145554023 - 2⁵ = 1145553991 is a prime.

It is a super-2 number, since 2×1145554023² = 2624588039222969058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145554093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10048663 + ... + 10048776.

It is an arithmetic number, because the mean of its divisors is an integer number (200974400).

Almost surely, 2^1145554023 is an apocalyptic number.

1145554023 is a deficient number, since it is larger than the sum of its proper divisors (462241177).

1145554023 is a wasteful number, since it uses less digits than its factorization.

1145554023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20097461.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1145554023 is about 33846.0340808196. The cubic root of 1145554023 is about 1046.3376635193.

The spelling of 1145554023 in words is "one billion, one hundred forty-five million, five hundred fifty-four thousand, twenty-three".