45142003 has 4 divisors (see below), whose sum is σ = 45241240. Its totient is φ = 45042768.

The previous prime is 45141997. The next prime is 45142007. The reversal of 45142003 is 30024154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45142003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45142007) 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, 48933 + ... + 49846.

It is an arithmetic number, because the mean of its divisors is an integer number (11310310).

Almost surely, 2^45142003 is an apocalyptic number.

45142003 is a deficient number, since it is larger than the sum of its proper divisors (99237).

45142003 is an equidigital number, since it uses as much as digits as its factorization.

45142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99236.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45142003 is about 6718.7798743522. The cubic root of 45142003 is about 356.0630779741.

Adding to 45142003 its reverse (30024154), we get a palindrome (75166157).

The spelling of 45142003 in words is "forty-five million, one hundred forty-two thousand, three".