381450148526 has 16 divisors (see below), whose sum is σ = 585038707344. Its totient is φ = 186484625664.

The previous prime is 381450148517. The next prime is 381450148613. The reversal of 381450148526 is 625841054183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11828705 + ... + 11860908.

It is an arithmetic number, because the mean of its divisors is an integer number (36564919209).

Almost surely, 2^381450148526 is an apocalyptic number.

381450148526 is a deficient number, since it is larger than the sum of its proper divisors (203588558818).

381450148526 is a wasteful number, since it uses less digits than its factorization.

381450148526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23689795.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 381450148526 in words is "three hundred eighty-one billion, four hundred fifty million, one hundred forty-eight thousand, five hundred twenty-six".