4145101515 has 48 divisors (see below), whose sum is σ = 7755808320. Its totient is φ = 2041670400.

The previous prime is 4145101511. The next prime is 4145101523. The reversal of 4145101515 is 5151015414.

4145101515 is a `hidden beast` number, since 4 + 1 + 45 + 101 + 515 = 666.

It is not a de Polignac number, because 4145101515 - 2² = 4145101511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4145101511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39036 + ... + 99065.

It is an arithmetic number, because the mean of its divisors is an integer number (161579340).

Almost surely, 2^4145101515 is an apocalyptic number.

4145101515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4145101515 is a deficient number, since it is larger than the sum of its proper divisors (3610706805).

4145101515 is a wasteful number, since it uses less digits than its factorization.

4145101515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138164 (or 138161 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 4145101515 is about 64382.4627907321. The cubic root of 4145101515 is about 1606.3680477873.

Adding to 4145101515 its reverse (5151015414), we get a palindrome (9296116929).

It can be divided in two parts, 414510 and 1515, that added together give a square (416025 = 645²).

The spelling of 4145101515 in words is "four billion, one hundred forty-five million, one hundred one thousand, five hundred fifteen".