152947785 has 16 divisors (see below), whose sum is σ = 246185856. Its totient is φ = 81082368.

The previous prime is 152947783. The next prime is 152947789. The reversal of 152947785 is 587749251.

It is not a de Polignac number, because 152947785 - 2¹ = 152947783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152947783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28024 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (15386616).

Almost surely, 2^152947785 is an apocalyptic number.

152947785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152947785 is a deficient number, since it is larger than the sum of its proper divisors (93238071).

152947785 is a wasteful number, since it uses less digits than its factorization.

152947785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61232.

The product of its digits is 705600, while the sum is 48.

The square root of 152947785 is about 12367.2060304662. The cubic root of 152947785 is about 534.7872738574.

The spelling of 152947785 in words is "one hundred fifty-two million, nine hundred forty-seven thousand, seven hundred eighty-five".