84357045 has 40 divisors (see below), whose sum is σ = 156119040. Its totient is φ = 43532640.

The previous prime is 84357037. The next prime is 84357047. The reversal of 84357045 is 54075348.

84357045 is a `hidden beast` number, since 8 + 43 + 570 + 45 = 666.

It is not a de Polignac number, because 84357045 - 2³ = 84357037 is a prime.

It is a super-2 number, since 2×84357045² = 14232222082264050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84357047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9196 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (3902976).

Almost surely, 2^84357045 is an apocalyptic number.

It is an amenable number.

84357045 is a deficient number, since it is larger than the sum of its proper divisors (71761995).

84357045 is a wasteful number, since it uses less digits than its factorization.

84357045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 84357045 is about 9184.6091370292. The cubic root of 84357045 is about 438.5715469761.

The spelling of 84357045 in words is "eighty-four million, three hundred fifty-seven thousand, forty-five".