84148454 has 16 divisors (see below), whose sum is σ = 143087280. Its totient is φ = 36793440.

The previous prime is 84148447. The next prime is 84148457. The reversal of 84148454 is 45484148.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84148457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84677 + ... + 85664.

It is an arithmetic number, because the mean of its divisors is an integer number (8942955).

Almost surely, 2^84148454 is an apocalyptic number.

84148454 is a deficient number, since it is larger than the sum of its proper divisors (58938826).

84148454 is a wasteful number, since it uses less digits than its factorization.

84148454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170375.

The product of its digits is 81920, while the sum is 38.

The square root of 84148454 is about 9173.2466444547. The cubic root of 84148454 is about 438.2097610127.

The spelling of 84148454 in words is "eighty-four million, one hundred forty-eight thousand, four hundred fifty-four".