1145510378 has 4 divisors (see below), whose sum is σ = 1718265570. Its totient is φ = 572755188.

The previous prime is 1145510351. The next prime is 1145510381. The reversal of 1145510378 is 8730155411.

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

It can be written as a sum of positive squares in only one way, i.e., 622153249 + 523357129 = 24943^2 + 22877^2 .

It is a super-2 number, since 2×1145510378² = 2624388052211405768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286377593 + ... + 286377596.

Almost surely, 2^1145510378 is an apocalyptic number.

1145510378 is a deficient number, since it is larger than the sum of its proper divisors (572755192).

1145510378 is an equidigital number, since it uses as much as digits as its factorization.

1145510378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572755191.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1145510378 is about 33845.3893167149. The cubic root of 1145510378 is about 1046.3243750474.

Adding to 1145510378 its reverse (8730155411), we get a palindrome (9875665789).

The spelling of 1145510378 in words is "one billion, one hundred forty-five million, five hundred ten thousand, three hundred seventy-eight".