1145035642 has 4 divisors (see below), whose sum is σ = 1717553466. Its totient is φ = 572517820.

The previous prime is 1145035637. The next prime is 1145035643. The reversal of 1145035642 is 2465305411.

It is a happy number.

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., 1050343281 + 94692361 = 32409^2 + 9731^2 .

It is a super-2 number, since 2×1145035642² = 2622213242900704328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145035643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286258909 + ... + 286258912.

Almost surely, 2^1145035642 is an apocalyptic number.

1145035642 is a deficient number, since it is larger than the sum of its proper divisors (572517824).

1145035642 is an equidigital number, since it uses as much as digits as its factorization.

1145035642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572517823.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1145035642 is about 33838.3752860565. The cubic root of 1145035642 is about 1046.1798116883.

The spelling of 1145035642 in words is "one billion, one hundred forty-five million, thirty-five thousand, six hundred forty-two".