253501444142 has 8 divisors (see below), whose sum is σ = 380651174496. Its totient is φ = 126617719312.

The previous prime is 253501444139. The next prime is 253501444151. The reversal of 253501444142 is 241444105352.

It is a happy number.

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

It is a super-2 number, since 2×253501444142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66498998 + ... + 66502809.

It is an arithmetic number, because the mean of its divisors is an integer number (47581396812).

Almost surely, 2^253501444142 is an apocalyptic number.

253501444142 is a deficient number, since it is larger than the sum of its proper divisors (127149730354).

253501444142 is a wasteful number, since it uses less digits than its factorization.

253501444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133002762.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 253501444142 its reverse (241444105352), we get a palindrome (494945549494).

The spelling of 253501444142 in words is "two hundred fifty-three billion, five hundred one million, four hundred forty-four thousand, one hundred forty-two".