1056145359 has 4 divisors (see below), whose sum is σ = 1408193816. Its totient is φ = 704096904.

The previous prime is 1056145357. The next prime is 1056145373. The reversal of 1056145359 is 9535416501.

It is a happy number.

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

It is not a de Polignac number, because 1056145359 - 2¹ = 1056145357 is a prime.

It is a super-2 number, since 2×1056145359² = 2230886038674477762, 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 (1056145357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176024224 + ... + 176024229.

It is an arithmetic number, because the mean of its divisors is an integer number (352048454).

Almost surely, 2^1056145359 is an apocalyptic number.

1056145359 is a deficient number, since it is larger than the sum of its proper divisors (352048457).

1056145359 is an equidigital number, since it uses as much as digits as its factorization.

1056145359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352048456.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 1056145359 is about 32498.3900985880. The cubic root of 1056145359 is about 1018.3753962950.

The spelling of 1056145359 in words is "one billion, fifty-six million, one hundred forty-five thousand, three hundred fifty-nine".