388500045 has 16 divisors (see below), whose sum is σ = 625197312. Its totient is φ = 206000960.

The previous prime is 388500023. The next prime is 388500109. The reversal of 388500045 is 540005883.

It is a happy number.

It is not a de Polignac number, because 388500045 - 2⁶ = 388499981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388499979 and 388500015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72261 + ... + 77450.

It is an arithmetic number, because the mean of its divisors is an integer number (39074832).

Almost surely, 2^388500045 is an apocalyptic number.

It is an amenable number.

388500045 is a deficient number, since it is larger than the sum of its proper divisors (236697267).

388500045 is a wasteful number, since it uses less digits than its factorization.

388500045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149892.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 388500045 is about 19710.4044859561. The cubic root of 388500045 is about 729.6764970546.

The spelling of 388500045 in words is "three hundred eighty-eight million, five hundred thousand, forty-five".