152947989 has 12 divisors (see below), whose sum is σ = 221457600. Its totient is φ = 101719464.

The previous prime is 152947979. The next prime is 152948009. The reversal of 152947989 is 989749251.

152947989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152947989 - 2¹¹ = 152945941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152947939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16509 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (18454800).

Almost surely, 2^152947989 is an apocalyptic number.

It is an amenable number.

152947989 is a deficient number, since it is larger than the sum of its proper divisors (68509611).

152947989 is a wasteful number, since it uses less digits than its factorization.

152947989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40984 (or 40981 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 152947989 is about 12367.2142780822. The cubic root of 152947989 is about 534.7875116217.

The spelling of 152947989 in words is "one hundred fifty-two million, nine hundred forty-seven thousand, nine hundred eighty-nine".