2045433531 has 8 divisors (see below), whose sum is σ = 2730322944. Its totient is φ = 1362083240.

The previous prime is 2045433527. The next prime is 2045433547. The reversal of 2045433531 is 1353345402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045433531 - 2² = 2045433527 is a prime.

It is a super-2 number, since 2×2045433531² = 8367596659478255922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2045433571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381675 + ... + 386996.

It is an arithmetic number, because the mean of its divisors is an integer number (341290368).

Almost surely, 2^2045433531 is an apocalyptic number.

2045433531 is a deficient number, since it is larger than the sum of its proper divisors (684889413).

2045433531 is an equidigital number, since it uses as much as digits as its factorization.

2045433531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769561.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2045433531 is about 45226.4693625315. The cubic root of 2045433531 is about 1269.3901490521.

Adding to 2045433531 its reverse (1353345402), we get a palindrome (3398778933).

The spelling of 2045433531 in words is "two billion, forty-five million, four hundred thirty-three thousand, five hundred thirty-one".