1051530445 has 48 divisors (see below), whose sum is σ = 1541265408. Its totient is φ = 685386240.

The previous prime is 1051530443. The next prime is 1051530449. The reversal of 1051530445 is 5440351501.

It is not a de Polignac number, because 1051530445 - 2¹ = 1051530443 is a prime.

It is a super-2 number, since 2×1051530445² = 2211432553523796050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051530443) 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 47 ways as a sum of consecutive naturals, for example, 1075797 + ... + 1076773.

It is an arithmetic number, because the mean of its divisors is an integer number (32109696).

Almost surely, 2^1051530445 is an apocalyptic number.

It is an amenable number.

1051530445 is a deficient number, since it is larger than the sum of its proper divisors (489734963).

1051530445 is a wasteful number, since it uses less digits than its factorization.

1051530445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1051530445 is about 32427.3101721373. The cubic root of 1051530445 is about 1016.8899388995.

Adding to 1051530445 its reverse (5440351501), we get a palindrome (6491881946).

It can be divided in two parts, 1051530 and 445, that added together give a triangular number (1051975 = T₁₄₅₀).

The spelling of 1051530445 in words is "one billion, fifty-one million, five hundred thirty thousand, four hundred forty-five".