23045146 has 4 divisors (see below), whose sum is σ = 34567722. Its totient is φ = 11522572.

The previous prime is 23045137. The next prime is 23045159. The reversal of 23045146 is 64154032.

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., 16719921 + 6325225 = 4089^2 + 2515^2 .

It is a super-2 number, since 2×23045146² = 1062157508322632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23045146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761285 + ... + 5761288.

Almost surely, 2^23045146 is an apocalyptic number.

23045146 is a deficient number, since it is larger than the sum of its proper divisors (11522576).

23045146 is a wasteful number, since it uses less digits than its factorization.

23045146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522575.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23045146 is about 4800.5360117387. The cubic root of 23045146 is about 284.5726477046.

Adding to 23045146 its reverse (64154032), we get a palindrome (87199178).

The spelling of 23045146 in words is "twenty-three million, forty-five thousand, one hundred forty-six".