2516142545 has 64 divisors (see below), whose sum is σ = 3877632000. Its totient is φ = 1525754880.

The previous prime is 2516142533. The next prime is 2516142547. The reversal of 2516142545 is 5452416152.

It is not a de Polignac number, because 2516142545 - 2¹⁰ = 2516141521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (2516142547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1480106 + ... + 1481804.

It is an arithmetic number, because the mean of its divisors is an integer number (60588000).

Almost surely, 2^2516142545 is an apocalyptic number.

It is an amenable number.

2516142545 is a deficient number, since it is larger than the sum of its proper divisors (1361489455).

2516142545 is a wasteful number, since it uses less digits than its factorization.

2516142545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its digits is 48000, while the sum is 35.

The square root of 2516142545 is about 50161.1657061516. The cubic root of 2516142545 is about 1360.1237172992.

Adding to 2516142545 its reverse (5452416152), we get a palindrome (7968558697).

The spelling of 2516142545 in words is "two billion, five hundred sixteen million, one hundred forty-two thousand, five hundred forty-five".