1145623041 has 32 divisors (see below), whose sum is σ = 1731888000. Its totient is φ = 748306944.

The previous prime is 1145623033. The next prime is 1145623043. The reversal of 1145623041 is 1403265411.

1145623041 = T₅₂₇₈ + T₅₂₇₉ + ... + T₅₃₅₈.

It is a happy number.

It is not a de Polignac number, because 1145623041 - 2³ = 1145623033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1145622996 and 1145623014.

It is not an unprimeable number, because it can be changed into a prime (1145623043) 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, 269430 + ... + 273648.

It is an arithmetic number, because the mean of its divisors is an integer number (54121500).

Almost surely, 2^1145623041 is an apocalyptic number.

It is an amenable number.

1145623041 is a deficient number, since it is larger than the sum of its proper divisors (586264959).

1145623041 is a wasteful number, since it uses less digits than its factorization.

1145623041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1145623041 is about 33847.0536531616. The cubic root of 1145623041 is about 1046.3586765491.

Adding to 1145623041 its reverse (1403265411), we get a palindrome (2548888452).

The spelling of 1145623041 in words is "one billion, one hundred forty-five million, six hundred twenty-three thousand, forty-one".