1051146545 has 4 divisors (see below), whose sum is σ = 1261375860. Its totient is φ = 840917232.

The previous prime is 1051146527. The next prime is 1051146559. The reversal of 1051146545 is 5456411501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 431933089 + 619213456 = 20783^2 + 24884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051146545 - 2¹⁰ = 1051145521 is a prime.

It is a super-2 number, since 2×1051146545² = 2209818118130874050, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 105114650 + ... + 105114659.

It is an arithmetic number, because the mean of its divisors is an integer number (315343965).

Almost surely, 2^1051146545 is an apocalyptic number.

It is an amenable number.

1051146545 is a deficient number, since it is larger than the sum of its proper divisors (210229315).

1051146545 is an equidigital number, since it uses as much as digits as its factorization.

1051146545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210229314.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1051146545 is about 32421.3902385447. The cubic root of 1051146545 is about 1016.7661727682.

The spelling of 1051146545 in words is "one billion, fifty-one million, one hundred forty-six thousand, five hundred forty-five".