1145506642 has 8 divisors (see below), whose sum is σ = 1963725696. Its totient is φ = 490931412.

The previous prime is 1145506577. The next prime is 1145506679. The reversal of 1145506642 is 2466055411.

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

It is a super-2 number, since 2×1145506642² = 2624370933732232328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145506598 and 1145506607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40910938 + ... + 40910965.

It is an arithmetic number, because the mean of its divisors is an integer number (245465712).

Almost surely, 2^1145506642 is an apocalyptic number.

1145506642 is a deficient number, since it is larger than the sum of its proper divisors (818219054).

1145506642 is an equidigital number, since it uses as much as digits as its factorization.

1145506642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81821912.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1145506642 is about 33845.3341245141. The cubic root of 1145506642 is about 1046.3232375422.

The spelling of 1145506642 in words is "one billion, one hundred forty-five million, five hundred six thousand, six hundred forty-two".