1145055413 has 4 divisors (see below), whose sum is σ = 1151381868. Its totient is φ = 1138728960.

The previous prime is 1145055397. The next prime is 1145055469. The reversal of 1145055413 is 3145505411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 574896529 + 570158884 = 23977^2 + 23878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145055413 - 2⁴ = 1145055397 is a prime.

It is a super-2 number, since 2×1145055413² = 2622303797681201138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145055473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162956 + ... + 3163317.

It is an arithmetic number, because the mean of its divisors is an integer number (287845467).

Almost surely, 2^1145055413 is an apocalyptic number.

It is an amenable number.

1145055413 is a deficient number, since it is larger than the sum of its proper divisors (6326455).

1145055413 is an equidigital number, since it uses as much as digits as its factorization.

1145055413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326454.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1145055413 is about 33838.6674235260. The cubic root of 1145055413 is about 1046.1858330153.

The spelling of 1145055413 in words is "one billion, one hundred forty-five million, fifty-five thousand, four hundred thirteen".