45145144966 has 4 divisors (see below), whose sum is σ = 67717717452. Its totient is φ = 22572572482.

The previous prime is 45145144951. The next prime is 45145144981. The reversal of 45145144966 is 66944154154.

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 (45145144951) and next prime (45145144981).

It is a super-2 number, since 2×45145144966² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11286286240 + ... + 11286286243.

It is an arithmetic number, because the mean of its divisors is an integer number (16929429363).

Almost surely, 2^45145144966 is an apocalyptic number.

45145144966 is a deficient number, since it is larger than the sum of its proper divisors (22572572486).

45145144966 is a wasteful number, since it uses less digits than its factorization.

45145144966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572572485.

The product of its digits is 2073600, while the sum is 49.

The spelling of 45145144966 in words is "forty-five billion, one hundred forty-five million, one hundred forty-four thousand, nine hundred sixty-six".