83945454 has 8 divisors (see below), whose sum is σ = 167890920. Its totient is φ = 27981816.

The previous prime is 83945437. The next prime is 83945461. The reversal of 83945454 is 45454938.

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

83945454 is an admirable number.

It is a super-2 number, since 2×83945454² = 14093678494532232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6995449 + ... + 6995460.

It is an arithmetic number, because the mean of its divisors is an integer number (20986365).

Almost surely, 2^83945454 is an apocalyptic number.

83945454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83945454 is a wasteful number, since it uses less digits than its factorization.

83945454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13990914.

The product of its digits is 345600, while the sum is 42.

The square root of 83945454 is about 9162.1751784170. The cubic root of 83945454 is about 437.8570977281.

The spelling of 83945454 in words is "eighty-three million, nine hundred forty-five thousand, four hundred fifty-four".