45729243 has 12 divisors (see below), whose sum is σ = 75489648. Its totient is φ = 26130960.

The previous prime is 45729217. The next prime is 45729287. The reversal of 45729243 is 34292754.

It is not a de Polignac number, because 45729243 - 2⁹ = 45728731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45729198 and 45729207.

It is not an unprimeable number, because it can be changed into a prime (45729043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362868 + ... + 362993.

It is an arithmetic number, because the mean of its divisors is an integer number (6290804).

Almost surely, 2^45729243 is an apocalyptic number.

45729243 is a deficient number, since it is larger than the sum of its proper divisors (29760405).

45729243 is a wasteful number, since it uses less digits than its factorization.

45729243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725874 (or 725871 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 45729243 is about 6762.3400535613. The cubic root of 45729243 is about 357.6004067004.

The spelling of 45729243 in words is "forty-five million, seven hundred twenty-nine thousand, two hundred forty-three".