387750045 has 8 divisors (see below), whose sum is σ = 620400096. Its totient is φ = 206800016.

The previous prime is 387750029. The next prime is 387750061. The reversal of 387750045 is 540057783.

It is an interprime number because it is at equal distance from previous prime (387750029) and next prime (387750061).

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 387750045 - 2⁴ = 387750029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 387749985 and 387750012.

It is a congruent number.

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, 12924987 + ... + 12925016.

It is an arithmetic number, because the mean of its divisors is an integer number (77550012).

Almost surely, 2^387750045 is an apocalyptic number.

It is an amenable number.

387750045 is a deficient number, since it is larger than the sum of its proper divisors (232650051).

387750045 is a wasteful number, since it uses less digits than its factorization.

387750045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25850011.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 387750045 is about 19691.3698101478. The cubic root of 387750045 is about 729.2066473352.

The spelling of 387750045 in words is "three hundred eighty-seven million, seven hundred fifty thousand, forty-five".