1145312301 has 16 divisors (see below), whose sum is σ = 1821118464. Its totient is φ = 626008944.

The previous prime is 1145312251. The next prime is 1145312303. The reversal of 1145312301 is 1032135411.

It is not a de Polignac number, because 1145312301 - 2⁶ = 1145312237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145312303) 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, 1185141 + ... + 1186106.

It is an arithmetic number, because the mean of its divisors is an integer number (113819904).

Almost surely, 2^1145312301 is an apocalyptic number.

It is an amenable number.

1145312301 is a deficient number, since it is larger than the sum of its proper divisors (675806163).

1145312301 is a wasteful number, since it uses less digits than its factorization.

1145312301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371280.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1145312301 is about 33842.4629866090. The cubic root of 1145312301 is about 1046.2640628512.

Adding to 1145312301 its reverse (1032135411), we get a palindrome (2177447712).

The spelling of 1145312301 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, three hundred one".