1146531514 has 4 divisors (see below), whose sum is σ = 1719797274. Its totient is φ = 573265756.

The previous prime is 1146531511. The next prime is 1146531521. The reversal of 1146531514 is 4151356411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4151356411 = 23 ⋅180493757.

It can be written as a sum of positive squares in only one way, i.e., 1071449289 + 75082225 = 32733^2 + 8665^2 .

It is not an unprimeable number, because it can be changed into a prime (1146531511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286632877 + ... + 286632880.

Almost surely, 2^1146531514 is an apocalyptic number.

1146531514 is a deficient number, since it is larger than the sum of its proper divisors (573265760).

1146531514 is an equidigital number, since it uses as much as digits as its factorization.

1146531514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573265759.

The product of its digits is 7200, while the sum is 31.

The square root of 1146531514 is about 33860.4712607489. The cubic root of 1146531514 is about 1046.6351890994.

Adding to 1146531514 its reverse (4151356411), we get a palindrome (5297887925).

The spelling of 1146531514 in words is "one billion, one hundred forty-six million, five hundred thirty-one thousand, five hundred fourteen".