45747242 has 4 divisors (see below), whose sum is σ = 68620866. Its totient is φ = 22873620.

The previous prime is 45747223. The next prime is 45747257. The reversal of 45747242 is 24274754.

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

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 8059921 = 6139^2 + 2839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11436809 + ... + 11436812.

Almost surely, 2^45747242 is an apocalyptic number.

45747242 is a deficient number, since it is larger than the sum of its proper divisors (22873624).

45747242 is a wasteful number, since it uses less digits than its factorization.

45747242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22873623.

The product of its digits is 62720, while the sum is 35.

The square root of 45747242 is about 6763.6707489351. The cubic root of 45747242 is about 357.6473176413.

The spelling of 45747242 in words is "forty-five million, seven hundred forty-seven thousand, two hundred forty-two".