45242051 has 4 divisors (see below), whose sum is σ = 46701504. Its totient is φ = 43782600.

The previous prime is 45242033. The next prime is 45242089. The reversal of 45242051 is 15024254.

It is a happy number.

45242051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45242051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729680 + ... + 729741.

It is an arithmetic number, because the mean of its divisors is an integer number (11675376).

Almost surely, 2^45242051 is an apocalyptic number.

45242051 is a deficient number, since it is larger than the sum of its proper divisors (1459453).

45242051 is a wasteful number, since it uses less digits than its factorization.

45242051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459452.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45242051 is about 6726.2211530695. The cubic root of 45242051 is about 356.3259308346.

The spelling of 45242051 in words is "forty-five million, two hundred forty-two thousand, fifty-one".