45381629 has 8 divisors (see below), whose sum is σ = 47080320. Its totient is φ = 43711200.

The previous prime is 45381593. The next prime is 45381631. The reversal of 45381629 is 92618354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45381629 - 2⁸ = 45381373 is a prime.

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 = 45381592 and 45381601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45381689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (5885040).

Almost surely, 2^45381629 is an apocalyptic number.

It is an amenable number.

45381629 is a deficient number, since it is larger than the sum of its proper divisors (1698691).

45381629 is a wasteful number, since it uses less digits than its factorization.

45381629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14131.

The product of its digits is 51840, while the sum is 38.

The square root of 45381629 is about 6736.5888252141. The cubic root of 45381629 is about 356.6919929415.

The spelling of 45381629 in words is "forty-five million, three hundred eighty-one thousand, six hundred twenty-nine".