1450451231 has 16 divisors (see below), whose sum is σ = 1526425344. Its totient is φ = 1375613184.

The previous prime is 1450451213. The next prime is 1450451243. The reversal of 1450451231 is 1321540541.

It is a cyclic number.

It is not a de Polignac number, because 1450451231 - 2¹⁰ = 1450450207 is a prime.

It is a super-2 number, since 2×1450451231² = 4207617547018830722, 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 1450451231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450451131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842620 + ... + 1843406.

It is an arithmetic number, because the mean of its divisors is an integer number (95401584).

Almost surely, 2^1450451231 is an apocalyptic number.

1450451231 is a deficient number, since it is larger than the sum of its proper divisors (75974113).

1450451231 is a wasteful number, since it uses less digits than its factorization.

1450451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1450451231 is about 38084.7900217396. The cubic root of 1450451231 is about 1131.9685921418.

Adding to 1450451231 its reverse (1321540541), we get a palindrome (2771991772).

The spelling of 1450451231 in words is "one billion, four hundred fifty million, four hundred fifty-one thousand, two hundred thirty-one".