142204520399 has 16 divisors (see below), whose sum is σ = 144863484480. Its totient is φ = 139565233920.

The previous prime is 142204520387. The next prime is 142204520411. The reversal of 142204520399 is 993025402241.

It is an interprime number because it is at equal distance from previous prime (142204520387) and next prime (142204520411).

It is not a de Polignac number, because 142204520399 - 2¹² = 142204516303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204520099) 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, 15064109 + ... + 15073545.

It is an arithmetic number, because the mean of its divisors is an integer number (9053967780).

Almost surely, 2^142204520399 is an apocalyptic number.

142204520399 is a deficient number, since it is larger than the sum of its proper divisors (2658964081).

142204520399 is an equidigital number, since it uses as much as digits as its factorization.

142204520399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 142204520399 in words is "one hundred forty-two billion, two hundred four million, five hundred twenty thousand, three hundred ninety-nine".