1145506634 has 4 divisors (see below), whose sum is σ = 1718259954. Its totient is φ = 572753316.

The previous prime is 1145506577. The next prime is 1145506679. The reversal of 1145506634 is 4366055411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4366055411 = 4517 ⋅966583.

It can be written as a sum of positive squares in only one way, i.e., 1101244225 + 44262409 = 33185^2 + 6653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145506594 and 1145506603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286376657 + ... + 286376660.

Almost surely, 2^1145506634 is an apocalyptic number.

1145506634 is a deficient number, since it is larger than the sum of its proper divisors (572753320).

1145506634 is an equidigital number, since it uses as much as digits as its factorization.

1145506634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572753319.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1145506634 is about 33845.3340063294. The cubic root of 1145506634 is about 1046.3232351064.

The spelling of 1145506634 in words is "one billion, one hundred forty-five million, five hundred six thousand, six hundred thirty-four".