2045031145 has 8 divisors (see below), whose sum is σ = 2467748160. Its totient is φ = 1626884400.

The previous prime is 2045031127. The next prime is 2045031179. The reversal of 2045031145 is 5411305402.

It is a happy number.

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

It is not a de Polignac number, because 2045031145 - 2¹⁹ = 2044506857 is a prime.

It is a super-2 number, since 2×2045031145² = 8364304768040022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141581 + ... + 1143370.

It is an arithmetic number, because the mean of its divisors is an integer number (308468520).

Almost surely, 2^2045031145 is an apocalyptic number.

It is an amenable number.

2045031145 is a deficient number, since it is larger than the sum of its proper divisors (422717015).

2045031145 is a wasteful number, since it uses less digits than its factorization.

2045031145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285135.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2045031145 is about 45222.0205762635. The cubic root of 2045031145 is about 1269.3069037295.

Adding to 2045031145 its reverse (5411305402), we get a palindrome (7456336547).

The spelling of 2045031145 in words is "two billion, forty-five million, thirty-one thousand, one hundred forty-five".