45129694 has 4 divisors (see below), whose sum is σ = 67694544. Its totient is φ = 22564846.

The previous prime is 45129683. The next prime is 45129697. The reversal of 45129694 is 49692154.

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

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (45129697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282422 + ... + 11282425.

It is an arithmetic number, because the mean of its divisors is an integer number (16923636).

Almost surely, 2^45129694 is an apocalyptic number.

45129694 is a deficient number, since it is larger than the sum of its proper divisors (22564850).

45129694 is a wasteful number, since it uses less digits than its factorization.

45129694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564849.

The product of its digits is 77760, while the sum is 40.

The square root of 45129694 is about 6717.8637973689. The cubic root of 45129694 is about 356.0307121170.

The spelling of 45129694 in words is "forty-five million, one hundred twenty-nine thousand, six hundred ninety-four".