1450142171 has 4 divisors (see below), whose sum is σ = 1471786152. Its totient is φ = 1428498192.

The previous prime is 1450142159. The next prime is 1450142173. The reversal of 1450142171 is 1712410541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1450142171 - 2⁶ = 1450142107 is a prime.

It is a super-2 number, since 2×1450142171² = 4205824632225186482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1450142171.

It is not an unprimeable number, because it can be changed into a prime (1450142173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821890 + ... + 10822023.

It is an arithmetic number, because the mean of its divisors is an integer number (367946538).

Almost surely, 2^1450142171 is an apocalyptic number.

1450142171 is a deficient number, since it is larger than the sum of its proper divisors (21643981).

1450142171 is an equidigital number, since it uses as much as digits as its factorization.

1450142171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643980.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1450142171 is about 38080.7322802490. The cubic root of 1450142171 is about 1131.8881870336. Note that the first 3 decimals are identical.

The spelling of 1450142171 in words is "one billion, four hundred fifty million, one hundred forty-two thousand, one hundred seventy-one".