80161442 has 8 divisors (see below), whose sum is σ = 122213532. Its totient is φ = 39423600.

The previous prime is 80161441. The next prime is 80161447. The reversal of 80161442 is 24416108.

It can be written as a sum of positive squares in 2 ways, for example, as 79941481 + 219961 = 8941^2 + 469^2 .

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

It is not an unprimeable number, because it can be changed into a prime (80161441) 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, 328409 + ... + 328652.

Almost surely, 2^80161442 is an apocalyptic number.

80161442 is a deficient number, since it is larger than the sum of its proper divisors (42052090).

80161442 is a wasteful number, since it uses less digits than its factorization.

80161442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657124.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80161442 is about 8953.2922436386. The cubic root of 80161442 is about 431.1765901230.

The spelling of 80161442 in words is "eighty million, one hundred sixty-one thousand, four hundred forty-two".