83144590 has 8 divisors (see below), whose sum is σ = 149660280. Its totient is φ = 33257832.

The previous prime is 83144549. The next prime is 83144599. The reversal of 83144590 is 9544138.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83144599) 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, 4157220 + ... + 4157239.

It is an arithmetic number, because the mean of its divisors is an integer number (18707535).

Almost surely, 2^83144590 is an apocalyptic number.

83144590 is a deficient number, since it is larger than the sum of its proper divisors (66515690).

83144590 is a wasteful number, since it uses less digits than its factorization.

83144590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8314466.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 83144590 is about 9118.3655333618. The cubic root of 83144590 is about 436.4602181129.

The spelling of 83144590 in words is "eighty-three million, one hundred forty-four thousand, five hundred ninety".