45074129 has 4 divisors (see below), whose sum is σ = 46173540. Its totient is φ = 43974720.

The previous prime is 45074101. The next prime is 45074131. The reversal of 45074129 is 92147054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92147054 = 2 ⋅46073527.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 38688400 = 2527^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 45074129 - 2²⁴ = 28296913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45074095 and 45074104.

It is not an unprimeable number, because it can be changed into a prime (45073129) 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, 549644 + ... + 549725.

It is an arithmetic number, because the mean of its divisors is an integer number (11543385).

Almost surely, 2^45074129 is an apocalyptic number.

It is an amenable number.

45074129 is a deficient number, since it is larger than the sum of its proper divisors (1099411).

45074129 is a wasteful number, since it uses less digits than its factorization.

45074129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099410.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 45074129 is about 6713.7269083572. The cubic root of 45074129 is about 355.8845336301.

The spelling of 45074129 in words is "forty-five million, seventy-four thousand, one hundred twenty-nine".