1051432145 has 16 divisors (see below), whose sum is σ = 1298016768. Its totient is φ = 817024320.

The previous prime is 1051432141. The next prime is 1051432147. The reversal of 1051432145 is 5412341501.

It is not a de Polignac number, because 1051432145 - 2² = 1051432141 is a prime.

It is a super-2 number, since 2×1051432145² = 2211019111078602050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051432141) 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 15 ways as a sum of consecutive naturals, for example, 112232 + ... + 121238.

It is an arithmetic number, because the mean of its divisors is an integer number (81126048).

Almost surely, 2^1051432145 is an apocalyptic number.

It is an amenable number.

1051432145 is a deficient number, since it is larger than the sum of its proper divisors (246584623).

1051432145 is an equidigital number, since it uses as much as digits as its factorization.

1051432145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680.

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

The square root of 1051432145 is about 32425.7944389956. The cubic root of 1051432145 is about 1016.8582506757.

Adding to 1051432145 its reverse (5412341501), we get a palindrome (6463773646).

The spelling of 1051432145 in words is "one billion, fifty-one million, four hundred thirty-two thousand, one hundred forty-five".