380247145 has 16 divisors (see below), whose sum is σ = 468437760. Its totient is φ = 296210304.

The previous prime is 380247139. The next prime is 380247167. The reversal of 380247145 is 541742083.

It is a cyclic number.

It is not a de Polignac number, because 380247145 - 2¹⁹ = 379722857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380247145.

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, 22242 + ... + 35428.

It is an arithmetic number, because the mean of its divisors is an integer number (29277360).

Almost surely, 2^380247145 is an apocalyptic number.

It is an amenable number.

380247145 is a deficient number, since it is larger than the sum of its proper divisors (88190615).

380247145 is a wasteful number, since it uses less digits than its factorization.

380247145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 380247145 is about 19499.9267947344. The cubic root of 380247145 is about 724.4726374981.

The spelling of 380247145 in words is "three hundred eighty million, two hundred forty-seven thousand, one hundred forty-five".