62145139 has 8 divisors (see below), whose sum is σ = 72534528. Its totient is φ = 52133640.

The previous prime is 62145133. The next prime is 62145253. The reversal of 62145139 is 93154126.

62145139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 62145139 - 2³ = 62145131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62145139.

It is not an unprimeable number, because it can be changed into a prime (62145131) 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 7 ways as a sum of consecutive naturals, for example, 94117 + ... + 94774.

It is an arithmetic number, because the mean of its divisors is an integer number (9066816).

Almost surely, 2^62145139 is an apocalyptic number.

62145139 is a deficient number, since it is larger than the sum of its proper divisors (10389389).

62145139 is a wasteful number, since it uses less digits than its factorization.

62145139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188945.

The product of its digits is 6480, while the sum is 31.

The square root of 62145139 is about 7883.2188222832. The cubic root of 62145139 is about 396.0977613785.

The spelling of 62145139 in words is "sixty-two million, one hundred forty-five thousand, one hundred thirty-nine".