1150450431 has 12 divisors (see below), whose sum is σ = 1661006088. Its totient is φ = 707969184.

The previous prime is 1150450403. The next prime is 1150450459. The reversal of 1150450431 is 1340540511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1150450403) and next prime (1150450459).

It is not a de Polignac number, because 1150450431 - 2⁷ = 1150450303 is a prime.

It is a super-2 number, since 2×1150450431² = 2647072388376171522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150450831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134060 + ... + 1135073.

It is an arithmetic number, because the mean of its divisors is an integer number (138417174).

Almost surely, 2^1150450431 is an apocalyptic number.

1150450431 is a deficient number, since it is larger than the sum of its proper divisors (510555657).

1150450431 is a wasteful number, since it uses less digits than its factorization.

1150450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269162 (or 2269149 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1150450431 is about 33918.2905082199. The cubic root of 1150450431 is about 1047.8263213612.

Adding to 1150450431 its reverse (1340540511), we get a palindrome (2490990942).

The spelling of 1150450431 in words is "one billion, one hundred fifty million, four hundred fifty thousand, four hundred thirty-one".