385156442 has 32 divisors (see below), whose sum is σ = 642539520. Its totient is φ = 171690480.

The previous prime is 385156423. The next prime is 385156463. The reversal of 385156442 is 244651583.

It is a junction number, because it is equal to n+sod(n) for n = 385156396 and 385156405.

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, 289583 + ... + 290909.

It is an arithmetic number, because the mean of its divisors is an integer number (20079360).

Almost surely, 2^385156442 is an apocalyptic number.

385156442 is a deficient number, since it is larger than the sum of its proper divisors (257383078).

385156442 is a wasteful number, since it uses less digits than its factorization.

385156442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its digits is 115200, while the sum is 38.

The square root of 385156442 is about 19625.4029767544. The cubic root of 385156442 is about 727.5771567848.

The spelling of 385156442 in words is "three hundred eighty-five million, one hundred fifty-six thousand, four hundred forty-two".