45946 has 4 divisors (see below), whose sum is σ = 68922. Its totient is φ = 22972.

The previous prime is 45943. The next prime is 45949. The reversal of 45946 is 64954.

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

It is an interprime number because it is at equal distance from previous prime (45943) and next prime (45949).

It can be written as a sum of positive squares in only one way, i.e., 38025 + 7921 = 195^2 + 89^2 .

It is a super-2 number, since 2×45946² = 4222069832, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (45943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11485 + ... + 11488.

2⁴⁵⁹⁴⁶ is an apocalyptic number.

45946 is a deficient number, since it is larger than the sum of its proper divisors (22976).

45946 is a wasteful number, since it uses less digits than its factorization.

45946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975.

The product of its digits is 4320, while the sum is 28.

The square root of 45946 is about 214.3501807790. The cubic root of 45946 is about 35.8164525981.

It can be divided in two parts, 459 and 46, that added together give a palindrome (505).

The spelling of 45946 in words is "forty-five thousand, nine hundred forty-six".