142204520454 has 16 divisors (see below), whose sum is σ = 285980363760. Its totient is φ = 47139619680.

The previous prime is 142204520411. The next prime is 142204520461. The reversal of 142204520454 is 454025402241.

It is a super-2 number, since 2×142204520454² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 65470609 + ... + 65472780.

It is an arithmetic number, because the mean of its divisors is an integer number (17873772735).

Almost surely, 2^142204520454 is an apocalyptic number.

142204520454 is an abundant number, since it is smaller than the sum of its proper divisors (143775843306).

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

142204520454 is a wasteful number, since it uses less digits than its factorization.

142204520454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130943575.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 142204520454 its reverse (454025402241), we get a palindrome (596229922695).

The spelling of 142204520454 in words is "one hundred forty-two billion, two hundred four million, five hundred twenty thousand, four hundred fifty-four".