45457242 has 8 divisors (see below), whose sum is σ = 90914496. Its totient is φ = 15152412.

The previous prime is 45457241. The next prime is 45457249. The reversal of 45457242 is 24275454.

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

45457242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (45457241) 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, 3788098 + ... + 3788109.

It is an arithmetic number, because the mean of its divisors is an integer number (11364312).

Almost surely, 2^45457242 is an apocalyptic number.

45457242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45457242 is a wasteful number, since it uses less digits than its factorization.

45457242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576212.

The product of its digits is 44800, while the sum is 33.

The square root of 45457242 is about 6742.1986028298. The cubic root of 45457242 is about 356.8899848532.

The spelling of 45457242 in words is "forty-five million, four hundred fifty-seven thousand, two hundred forty-two".