4551245142 has 32 divisors (see below), whose sum is σ = 9702873600. Its totient is φ = 1419039648.

The previous prime is 4551245137. The next prime is 4551245143. The reversal of 4551245142 is 2415421554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551245143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243673 + ... + 261684.

It is an arithmetic number, because the mean of its divisors is an integer number (303214800).

Almost surely, 2^4551245142 is an apocalyptic number.

4551245142 is an abundant number, since it is smaller than the sum of its proper divisors (5151628458).

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

4551245142 is a wasteful number, since it uses less digits than its factorization.

4551245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505460.

The product of its digits is 32000, while the sum is 33.

The square root of 4551245142 is about 67462.9167913751. The cubic root of 4551245142 is about 1657.2069378517.

Adding to 4551245142 its reverse (2415421554), we get a palindrome (6966666696).

The spelling of 4551245142 in words is "four billion, five hundred fifty-one million, two hundred forty-five thousand, one hundred forty-two".