45438142 has 8 divisors (see below), whose sum is σ = 69312600. Its totient is φ = 22333944.

The previous prime is 45438137. The next prime is 45438167. The reversal of 45438142 is 24183454.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192417 + ... + 192652.

It is an arithmetic number, because the mean of its divisors is an integer number (8664075).

Almost surely, 2^45438142 is an apocalyptic number.

45438142 is a deficient number, since it is larger than the sum of its proper divisors (23874458).

45438142 is a wasteful number, since it uses less digits than its factorization.

45438142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385130.

The product of its digits is 15360, while the sum is 31.

The square root of 45438142 is about 6740.7820021122. The cubic root of 45438142 is about 356.8399924255.

The spelling of 45438142 in words is "forty-five million, four hundred thirty-eight thousand, one hundred forty-two".