1450205231 has 4 divisors (see below), whose sum is σ = 1451767200. Its totient is φ = 1448643264.

The previous prime is 1450205173. The next prime is 1450205279. The reversal of 1450205231 is 1325020541.

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 1450205231 - 2¹⁰ = 1450204207 is a prime.

It is a super-2 number, since 2×1450205231² = 4206190424039526722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1450205197 and 1450205206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450202231) 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, 779591 + ... + 781448.

It is an arithmetic number, because the mean of its divisors is an integer number (362941800).

Almost surely, 2^1450205231 is an apocalyptic number.

1450205231 is a deficient number, since it is larger than the sum of its proper divisors (1561969).

1450205231 is an equidigital number, since it uses as much as digits as its factorization.

1450205231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561968.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1450205231 is about 38081.5602490234. The cubic root of 1450205231 is about 1131.9045936628.

Adding to 1450205231 its reverse (1325020541), we get a palindrome (2775225772).

The spelling of 1450205231 in words is "one billion, four hundred fifty million, two hundred five thousand, two hundred thirty-one".