1545071056 has 10 divisors (see below), whose sum is σ = 2993575202. Its totient is φ = 772535520.

The previous prime is 1545071053. The next prime is 1545071063. The reversal of 1545071056 is 6501705451.

It can be written as a sum of positive squares in only one way, i.e., 1491195456 + 53875600 = 38616^2 + 7340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545071053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48283455 + ... + 48283486.

Almost surely, 2^1545071056 is an apocalyptic number.

1545071056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1545071056 is a deficient number, since it is larger than the sum of its proper divisors (1448504146).

1545071056 is an equidigital number, since it uses as much as digits as its factorization.

1545071056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96566949 (or 96566943 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1545071056 is about 39307.3918748115. The cubic root of 1545071056 is about 1156.0665063927.

The spelling of 1545071056 in words is "one billion, five hundred forty-five million, seventy-one thousand, fifty-six".