142466166505450 has 12 divisors (see below), whose sum is σ = 264987069700230. Its totient is φ = 56986466602160.

The previous prime is 142466166505441. The next prime is 142466166505483. The reversal of 142466166505450 is 54505661664241.

It can be written as a sum of positive squares in 3 ways, for example, as 64768517356321 + 77697649149129 = 8047889^2 + 8814627^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142466166505391 and 142466166505400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1424661665005 + ... + 1424661665104.

Almost surely, 2^{142466166505450} is an apocalyptic number.

142466166505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142466166505450 is a deficient number, since it is larger than the sum of its proper divisors (122520903194780).

142466166505450 is a wasteful number, since it uses less digits than its factorization.

142466166505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849323330121 (or 2849323330116 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 142466166505450 in words is "one hundred forty-two trillion, four hundred sixty-six billion, one hundred sixty-six million, five hundred five thousand, four hundred fifty".