1052545578 has 40 divisors (see below), whose sum is σ = 2455827168. Its totient is φ = 300723192.

The previous prime is 1052545577. The next prime is 1052545639. The reversal of 1052545578 is 8755452501.

It is a super-2 number, since 2×1052545578² = 2215704387534708168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1052545577) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22126 + ... + 50937.

Almost surely, 2^1052545578 is an apocalyptic number.

1052545578 is an abundant number, since it is smaller than the sum of its proper divisors (1403281590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052545578 is an frugal number, since it uses more digits than its factorization.

1052545578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73096 (or 73075 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 42.

The square root of 1052545578 is about 32442.9588354700. The cubic root of 1052545578 is about 1017.2170641656.

The spelling of 1052545578 in words is "one billion, fifty-two million, five hundred forty-five thousand, five hundred seventy-eight".