142204556145 has 16 divisors (see below), whose sum is σ = 227551145472. Its totient is φ = 75834478080.

The previous prime is 142204556129. The next prime is 142204556161. The reversal of 142204556145 is 541655402241.

It is an interprime number because it is at equal distance from previous prime (142204556129) and next prime (142204556161).

It is not a de Polignac number, because 142204556145 - 2⁴ = 142204556129 is a prime.

It is a super-2 number, since 2×142204556145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347712 + ... + 636641.

It is an arithmetic number, because the mean of its divisors is an integer number (14221946592).

Almost surely, 2^142204556145 is an apocalyptic number.

142204556145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142204556145 is a deficient number, since it is larger than the sum of its proper divisors (85346589327).

142204556145 is an equidigital number, since it uses as much as digits as its factorization.

142204556145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993992.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 142204556145 its reverse (541655402241), we get a palindrome (683859958386).

The spelling of 142204556145 in words is "one hundred forty-two billion, two hundred four million, five hundred fifty-six thousand, one hundred forty-five".