2045151431 has 8 divisors (see below), whose sum is σ = 2210975280. Its totient is φ = 1885146048.

The previous prime is 2045151419. The next prime is 2045151473. The reversal of 2045151431 is 1341515402.

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 2045151431 - 2²⁶ = 1978042567 is a prime.

It is a super-2 number, since 2×2045151431² = 8365288751442695522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2045151431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045151491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453886 + ... + 1455291.

It is an arithmetic number, because the mean of its divisors is an integer number (276371910).

Almost surely, 2^2045151431 is an apocalyptic number.

2045151431 is a deficient number, since it is larger than the sum of its proper divisors (165823849).

2045151431 is a wasteful number, since it uses less digits than its factorization.

2045151431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909233.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2045151431 is about 45223.3505061268. The cubic root of 2045151431 is about 1269.3317895537.

Adding to 2045151431 its reverse (1341515402), we get a palindrome (3386666833).

The spelling of 2045151431 in words is "two billion, forty-five million, one hundred fifty-one thousand, four hundred thirty-one".