2445155515 has 32 divisors (see below), whose sum is σ = 3255033600. Its totient is φ = 1748449920.

The previous prime is 2445155443. The next prime is 2445155527. The reversal of 2445155515 is 5155515442.

It is not a de Polignac number, because 2445155515 - 2²¹ = 2443058363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1044216 + ... + 1046554.

It is an arithmetic number, because the mean of its divisors is an integer number (101719800).

Almost surely, 2^2445155515 is an apocalyptic number.

2445155515 is a deficient number, since it is larger than the sum of its proper divisors (809878085).

2445155515 is a wasteful number, since it uses less digits than its factorization.

2445155515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667.

The product of its digits is 100000, while the sum is 37.

The square root of 2445155515 is about 49448.5137794858. The cubic root of 2445155515 is about 1347.2106127011.

The spelling of 2445155515 in words is "two billion, four hundred forty-five million, one hundred fifty-five thousand, five hundred fifteen".