80153642 has 4 divisors (see below), whose sum is σ = 120230466. Its totient is φ = 40076820.

The previous prime is 80153621. The next prime is 80153653. The reversal of 80153642 is 24635108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 38950081 = 6419^2 + 6241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20038409 + ... + 20038412.

Almost surely, 2^80153642 is an apocalyptic number.

80153642 is a deficient number, since it is larger than the sum of its proper divisors (40076824).

80153642 is a wasteful number, since it uses less digits than its factorization.

80153642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076823.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 80153642 is about 8952.8566390845. The cubic root of 80153642 is about 431.1626046523.

The spelling of 80153642 in words is "eighty million, one hundred fifty-three thousand, six hundred forty-two".