45342151 has 4 divisors (see below), whose sum is σ = 47728600. Its totient is φ = 42955704.

The previous prime is 45342137. The next prime is 45342161. The reversal of 45342151 is 15124354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45342151 - 2¹⁷ = 45211079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45342161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193196 + ... + 1193233.

It is an arithmetic number, because the mean of its divisors is an integer number (11932150).

Almost surely, 2^45342151 is an apocalyptic number.

45342151 is a deficient number, since it is larger than the sum of its proper divisors (2386449).

45342151 is a wasteful number, since it uses less digits than its factorization.

45342151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386448.

The product of its digits is 2400, while the sum is 25.

The square root of 45342151 is about 6733.6580697270. The cubic root of 45342151 is about 356.5885327823.

The spelling of 45342151 in words is "forty-five million, three hundred forty-two thousand, one hundred fifty-one".