85149452 has 12 divisors (see below), whose sum is σ = 154150080. Its totient is φ = 41106576.

The previous prime is 85149443. The next prime is 85149487. The reversal of 85149452 is 25494158.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 366908 + ... + 367139.

It is an arithmetic number, because the mean of its divisors is an integer number (12845840).

Almost surely, 2^85149452 is an apocalyptic number.

It is an amenable number.

85149452 is a deficient number, since it is larger than the sum of its proper divisors (69000628).

85149452 is a wasteful number, since it uses less digits than its factorization.

85149452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734080 (or 734078 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 85149452 is about 9227.6460703692. The cubic root of 85149452 is about 439.9405084856.

The spelling of 85149452 in words is "eighty-five million, one hundred forty-nine thousand, four hundred fifty-two".