1145615 has 4 divisors (see below), whose sum is σ = 1374744. Its totient is φ = 916488.

The previous prime is 1145611. The next prime is 1145621. The reversal of 1145615 is 5165411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145615 - 2² = 1145611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114557 + ... + 114566.

It is an arithmetic number, because the mean of its divisors is an integer number (343686).

2^1145615 is an apocalyptic number.

1145615 is a deficient number, since it is larger than the sum of its proper divisors (229129).

1145615 is an equidigital number, since it uses as much as digits as its factorization.

1145615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229128.

The product of its digits is 600, while the sum is 23.

The square root of 1145615 is about 1070.3340600018. The cubic root of 1145615 is about 104.6356228452.

The spelling of 1145615 in words is "one million, one hundred forty-five thousand, six hundred fifteen".