164001442 has 8 divisors (see below), whose sum is σ = 268366032. Its totient is φ = 74546100.

The previous prime is 164001437. The next prime is 164001449. The reversal of 164001442 is 244100461.

164001442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 7454611 = 164001442 / (1 + 6 + 4 + 0 + 0 + 1 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (164001449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3727284 + ... + 3727327.

It is an arithmetic number, because the mean of its divisors is an integer number (33545754).

Almost surely, 2^164001442 is an apocalyptic number.

164001442 is a deficient number, since it is larger than the sum of its proper divisors (104364590).

164001442 is a wasteful number, since it uses less digits than its factorization.

164001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454624.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 164001442 is about 12806.3047753831. The cubic root of 164001442 is about 547.3719717598.

The spelling of 164001442 in words is "one hundred sixty-four million, one thousand, four hundred forty-two".