142500215450 has 24 divisors (see below), whose sum is σ = 265665407040. Its totient is φ = 56867826800.

The previous prime is 142500215311. The next prime is 142500215461. The reversal of 142500215450 is 54512005241.

142500215450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142500215450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3284720 + ... + 3327819.

It is an arithmetic number, because the mean of its divisors is an integer number (11069391960).

Almost surely, 2^142500215450 is an apocalyptic number.

142500215450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142500215450 is a deficient number, since it is larger than the sum of its proper divisors (123165191590).

142500215450 is a wasteful number, since it uses less digits than its factorization.

142500215450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612982 (or 6612977 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 142500215450 in words is "one hundred forty-two billion, five hundred million, two hundred fifteen thousand, four hundred fifty".