2155252141 has 8 divisors (see below), whose sum is σ = 2464423424. Its totient is φ = 1846400400.

The previous prime is 2155252133. The next prime is 2155252171. The reversal of 2155252141 is 1412525512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155252141 - 2³ = 2155252133 is a prime.

It is a super-2 number, since 2×2155252141² = 9290223582570167762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155252171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65250 + ... + 92563.

It is an arithmetic number, because the mean of its divisors is an integer number (308052928).

Almost surely, 2^2155252141 is an apocalyptic number.

It is an amenable number.

2155252141 is a deficient number, since it is larger than the sum of its proper divisors (309171283).

2155252141 is a wasteful number, since it uses less digits than its factorization.

2155252141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159771.

The product of its digits is 4000, while the sum is 28.

The square root of 2155252141 is about 46424.6932246192. The cubic root of 2155252141 is about 1291.7129940197.

Adding to 2155252141 its reverse (1412525512), we get a palindrome (3567777653).

The spelling of 2155252141 in words is "two billion, one hundred fifty-five million, two hundred fifty-two thousand, one hundred forty-one".