1056045423147 has 32 divisors (see below), whose sum is σ = 1654391886336. Its totient is φ = 590735040000.

The previous prime is 1056045423113. The next prime is 1056045423217. The reversal of 1056045423147 is 7413245406501.

It is not a de Polignac number, because 1056045423147 - 2⁷ = 1056045423019 is a prime.

It is a super-2 number, since 2×1056045423147² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056045423099 and 1056045423108.

It is not an unprimeable number, because it can be changed into a prime (1056045423047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4318147 + ... + 4556147.

It is an arithmetic number, because the mean of its divisors is an integer number (51699746448).

Almost surely, 2^{1056045423147} is an apocalyptic number.

1056045423147 is a deficient number, since it is larger than the sum of its proper divisors (598346463189).

1056045423147 is a wasteful number, since it uses less digits than its factorization.

1056045423147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248371.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 1056045423147 in words is "one trillion, fifty-six billion, forty-five million, four hundred twenty-three thousand, one hundred forty-seven".