1145577242 has 8 divisors (see below), whose sum is σ = 1718826816. Its totient is φ = 572634972.

The previous prime is 1145577221. The next prime is 1145577259. The reversal of 1145577242 is 2427755411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1145577196 and 1145577205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67268 + ... + 82559.

It is an arithmetic number, because the mean of its divisors is an integer number (214853352).

Almost surely, 2^1145577242 is an apocalyptic number.

1145577242 is a deficient number, since it is larger than the sum of its proper divisors (573249574).

1145577242 is a wasteful number, since it uses less digits than its factorization.

1145577242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153652.

The product of its digits is 78400, while the sum is 38.

The square root of 1145577242 is about 33846.3770882498. The cubic root of 1145577242 is about 1046.3447328062.

The spelling of 1145577242 in words is "one billion, one hundred forty-five million, five hundred seventy-seven thousand, two hundred forty-two".