388545145 has 8 divisors (see below), whose sum is σ = 466392960. Its totient is φ = 310743600.

The previous prime is 388545121. The next prime is 388545167. The reversal of 388545145 is 541545883.

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

It is not a de Polignac number, because 388545145 - 2¹⁷ = 388414073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10870 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (58299120).

Almost surely, 2^388545145 is an apocalyptic number.

It is an amenable number.

388545145 is a deficient number, since it is larger than the sum of its proper divisors (77847815).

388545145 is a wasteful number, since it uses less digits than its factorization.

388545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23135.

The product of its digits is 384000, while the sum is 43.

The square root of 388545145 is about 19711.5485185715. The cubic root of 388545145 is about 729.7047314029.

The spelling of 388545145 in words is "three hundred eighty-eight million, five hundred forty-five thousand, one hundred forty-five".