1051306145 has 8 divisors (see below), whose sum is σ = 1285370856. Its totient is φ = 825175936.

The previous prime is 1051306141. The next prime is 1051306171. The reversal of 1051306145 is 5416031501.

1051306145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 200533921 + 850772224 = 14161^2 + 29168^2 .

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 1051306145 - 2² = 1051306141 is a prime.

It is a super-2 number, since 2×1051306145² = 2210489221029522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051306141) 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, 1983332 + ... + 1983861.

It is an arithmetic number, because the mean of its divisors is an integer number (160671357).

Almost surely, 2^1051306145 is an apocalyptic number.

It is an amenable number.

1051306145 is a deficient number, since it is larger than the sum of its proper divisors (234064711).

1051306145 is an equidigital number, since it uses as much as digits as its factorization.

1051306145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967251.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1051306145 is about 32423.8514831289. The cubic root of 1051306145 is about 1016.8176301252.

Adding to 1051306145 its reverse (5416031501), we get a palindrome (6467337646).

The spelling of 1051306145 in words is "one billion, fifty-one million, three hundred six thousand, one hundred forty-five".