1145413031 has 8 divisors (see below), whose sum is σ = 1324815744. Its totient is φ = 969953400.

The previous prime is 1145413013. The next prime is 1145413037. The reversal of 1145413031 is 1303145411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1145413031 - 2¹⁰ = 1145412007 is a prime.

It is a super-2 number, since 2×1145413031² = 2623942023169213922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145412988 and 1145413006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145413037) 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, 985145 + ... + 986306.

It is an arithmetic number, because the mean of its divisors is an integer number (165601968).

Almost surely, 2^1145413031 is an apocalyptic number.

1145413031 is a deficient number, since it is larger than the sum of its proper divisors (179402713).

1145413031 is an equidigital number, since it uses as much as digits as its factorization.

1145413031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971541.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1145413031 is about 33843.9511729940. The cubic root of 1145413031 is about 1046.2947348607.

Adding to 1145413031 its reverse (1303145411), we get a palindrome (2448558442).

It can be divided in two parts, 114 and 5413031, that added together give a palindrome (5413145).

The spelling of 1145413031 in words is "one billion, one hundred forty-five million, four hundred thirteen thousand, thirty-one".