142166450 has 48 divisors (see below), whose sum is σ = 277857216. Its totient is φ = 54014400.

The previous prime is 142166447. The next prime is 142166477. The reversal of 142166450 is 54661241.

It is a super-2 number, since 2×142166450² = 40422599011205000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207809 + ... + 208491.

It is an arithmetic number, because the mean of its divisors is an integer number (5788692).

Almost surely, 2^142166450 is an apocalyptic number.

142166450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142166450 is a deficient number, since it is larger than the sum of its proper divisors (135690766).

142166450 is a wasteful number, since it uses less digits than its factorization.

142166450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 142166450 is about 11923.3573292089. The cubic root of 142166450 is about 521.9141117137.

The spelling of 142166450 in words is "one hundred forty-two million, one hundred sixty-six thousand, four hundred fifty".