2145602576 has 20 divisors (see below), whose sum is σ = 4476882732. Its totient is φ = 990278016.

The previous prime is 2145602561. The next prime is 2145602581. The reversal of 2145602576 is 6752065412.

It can be written as a sum of positive squares in 2 ways, for example, as 1303210000 + 842392576 = 36100^2 + 29024^2 .

It is a super-2 number, since 2×2145602576² = 9207220828275671552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5157491 + ... + 5157906.

Almost surely, 2^2145602576 is an apocalyptic number.

2145602576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2145602576 is an abundant number, since it is smaller than the sum of its proper divisors (2331280156).

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

2145602576 is a wasteful number, since it uses less digits than its factorization.

2145602576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315418 (or 10315412 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2145602576 is about 46320.6495636665. The cubic root of 2145602576 is about 1289.7823433430.

Adding to 2145602576 its reverse (6752065412), we get a palindrome (8897667988).

The spelling of 2145602576 in words is "two billion, one hundred forty-five million, six hundred two thousand, five hundred seventy-six".