2142049455 has 360 divisors, whose sum is σ = 5297558112. Its totient is φ = 819092736.

The previous prime is 2142049451. The next prime is 2142049489. The reversal of 2142049455 is 5549402412.

It is a happy number.

It is not a de Polignac number, because 2142049455 - 2² = 2142049451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142049451) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 93132574 + ... + 93132596.

Almost surely, 2^2142049455 is an apocalyptic number.

2142049455 is an abundant number, since it is smaller than the sum of its proper divisors (3155508657).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142049455 is a wasteful number, since it uses less digits than its factorization.

2142049455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2142049455 is about 46282.2801404598. The cubic root of 2142049455 is about 1289.0699894970.

The spelling of 2142049455 in words is "two billion, one hundred forty-two million, forty-nine thousand, four hundred fifty-five".