1180233645 has 16 divisors (see below), whose sum is σ = 1890291840. Its totient is φ = 628818624.

The previous prime is 1180233641. The next prime is 1180233683. The reversal of 1180233645 is 5463320811.

It is not a de Polignac number, because 1180233645 - 2² = 1180233641 is a prime.

It is a super-3 number, since 3×1180233645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180233641) 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, 24505 + ... + 54414.

It is an arithmetic number, because the mean of its divisors is an integer number (118143240).

Almost surely, 2^1180233645 is an apocalyptic number.

1180233645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1180233645 is a deficient number, since it is larger than the sum of its proper divisors (710058195).

1180233645 is an equidigital number, since it uses as much as digits as its factorization.

1180233645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79924.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1180233645 is about 34354.5287407643. The cubic root of 1180233645 is about 1056.7915457876.

The spelling of 1180233645 in words is "one billion, one hundred eighty million, two hundred thirty-three thousand, six hundred forty-five".