142133667550 has 72 divisors (see below), whose sum is σ = 312913940976. Its totient is φ = 47051047680.

The previous prime is 142133667451. The next prime is 142133667587. The reversal of 142133667550 is 55766331241.

It is a junction number, because it is equal to n+sod(n) for n = 142133667497 and 142133667506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52914 + ... + 535786.

It is an arithmetic number, because the mean of its divisors is an integer number (4346026958).

Almost surely, 2^142133667550 is an apocalyptic number.

142133667550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142133667550 is an abundant number, since it is smaller than the sum of its proper divisors (170780273426).

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

142133667550 is a wasteful number, since it uses less digits than its factorization.

142133667550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482950 (or 482916 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

Adding to 142133667550 its reverse (55766331241), we get a palindrome (197899998791).

The spelling of 142133667550 in words is "one hundred forty-two billion, one hundred thirty-three million, six hundred sixty-seven thousand, five hundred fifty".