45948143 has 4 divisors (see below), whose sum is σ = 45962448. Its totient is φ = 45933840.

The previous prime is 45948139. The next prime is 45948157. The reversal of 45948143 is 34184954.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45948143 - 2² = 45948139 is a prime.

It is a super-2 number, since 2×45948143² = 4222463690296898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45948097 and 45948106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45948103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 9587.

It is an arithmetic number, because the mean of its divisors is an integer number (11490612).

Almost surely, 2^45948143 is an apocalyptic number.

45948143 is a deficient number, since it is larger than the sum of its proper divisors (14305).

45948143 is an equidigital number, since it uses as much as digits as its factorization.

45948143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304.

The product of its digits is 69120, while the sum is 38.

The square root of 45948143 is about 6778.5059563299. The cubic root of 45948143 is about 358.1700943635.

The spelling of 45948143 in words is "forty-five million, nine hundred forty-eight thousand, one hundred forty-three".