381345562 has 16 divisors (see below), whose sum is σ = 616853160. Its totient is φ = 175767552.

The previous prime is 381345557. The next prime is 381345577. The reversal of 381345562 is 265543183.

It can be written as a sum of positive squares in 4 ways, for example, as 118613881 + 262731681 = 10891^2 + 16209^2 .

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, 10458 + ... + 29530.

Almost surely, 2^381345562 is an apocalyptic number.

381345562 is a deficient number, since it is larger than the sum of its proper divisors (235507598).

381345562 is a wasteful number, since it uses less digits than its factorization.

381345562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19857.

The product of its digits is 86400, while the sum is 37.

The square root of 381345562 is about 19528.0711285063. The cubic root of 381345562 is about 725.1695597069.

It can be divided in two parts, 38 and 1345562, that added together give a square (1345600 = 1160²).

The spelling of 381345562 in words is "three hundred eighty-one million, three hundred forty-five thousand, five hundred sixty-two".