45512029 has 4 divisors (see below), whose sum is σ = 45591484. Its totient is φ = 45432576.

The previous prime is 45512023. The next prime is 45512057. The reversal of 45512029 is 92021554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34786404 + 10725625 = 5898^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512029 - 2³ = 45512021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45511988 and 45512006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512021) 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, 38862 + ... + 40015.

It is an arithmetic number, because the mean of its divisors is an integer number (11397871).

Almost surely, 2^45512029 is an apocalyptic number.

It is an amenable number.

45512029 is a deficient number, since it is larger than the sum of its proper divisors (79455).

45512029 is an equidigital number, since it uses as much as digits as its factorization.

45512029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79454.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45512029 is about 6746.2603714947. The cubic root of 45512029 is about 357.0333069485.

The spelling of 45512029 in words is "forty-five million, five hundred twelve thousand, twenty-nine".