2152542145 has 16 divisors (see below), whose sum is σ = 2820932352. Its totient is φ = 1567177920.

The previous prime is 2152542121. The next prime is 2152542179. The reversal of 2152542145 is 5412452512.

It is not a de Polignac number, because 2152542145 - 2⁵ = 2152542113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228597 + ... + 237826.

It is an arithmetic number, because the mean of its divisors is an integer number (176308272).

Almost surely, 2^2152542145 is an apocalyptic number.

It is an amenable number.

2152542145 is a deficient number, since it is larger than the sum of its proper divisors (668390207).

2152542145 is a wasteful number, since it uses less digits than its factorization.

2152542145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466512.

The product of its digits is 16000, while the sum is 31.

The square root of 2152542145 is about 46395.4970336562. The cubic root of 2152542145 is about 1291.1713705769.

Adding to 2152542145 its reverse (5412452512), we get a palindrome (7564994657).

The spelling of 2152542145 in words is "two billion, one hundred fifty-two million, five hundred forty-two thousand, one hundred forty-five".