1145312406 has 64 divisors (see below), whose sum is σ = 3079848960. Its totient is φ = 307981440.

The previous prime is 1145312359. The next prime is 1145312447. The reversal of 1145312406 is 6042135411.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1145312406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82690 + ... + 95541.

It is an arithmetic number, because the mean of its divisors is an integer number (48122640).

Almost surely, 2^1145312406 is an apocalyptic number.

1145312406 is an abundant number, since it is smaller than the sum of its proper divisors (1934536554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145312406 is a wasteful number, since it uses less digits than its factorization.

1145312406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178266 (or 178260 counting only the distinct ones).

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

The square root of 1145312406 is about 33842.4645379145. The cubic root of 1145312406 is about 1046.2640948243.

Adding to 1145312406 its reverse (6042135411), we get a palindrome (7187447817).

The spelling of 1145312406 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, four hundred six".