152450989 has 8 divisors (see below), whose sum is σ = 157627800. Its totient is φ = 147329856.

The previous prime is 152450983. The next prime is 152450993. The reversal of 152450989 is 989054251.

It can be written as a sum of positive squares in 4 ways, for example, as 348100 + 152102889 = 590^2 + 12333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152450989 - 2¹⁵ = 152418221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152450983) 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, 8314 + ... + 19339.

It is an arithmetic number, because the mean of its divisors is an integer number (19703475).

Almost surely, 2^152450989 is an apocalyptic number.

It is an amenable number.

152450989 is a deficient number, since it is larger than the sum of its proper divisors (5176811).

152450989 is a wasteful number, since it uses less digits than its factorization.

152450989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 152450989 is about 12347.1044783787. The cubic root of 152450989 is about 534.2076242855.

The spelling of 152450989 in words is "one hundred fifty-two million, four hundred fifty thousand, nine hundred eighty-nine".