151015989 has 8 divisors (see below), whose sum is σ = 201601440. Its totient is φ = 100553936.

The previous prime is 151015951. The next prime is 151015993. The reversal of 151015989 is 989510151.

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

It is a cyclic number.

It is not a de Polignac number, because 151015989 - 2¹⁵ = 150983221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151015939) 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, 27954 + ... + 32915.

It is an arithmetic number, because the mean of its divisors is an integer number (25200180).

Almost surely, 2^151015989 is an apocalyptic number.

It is an amenable number.

151015989 is a deficient number, since it is larger than the sum of its proper divisors (50585451).

151015989 is an equidigital number, since it uses as much as digits as its factorization.

151015989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61699.

The product of its (nonzero) digits is 16200, while the sum is 39.

The square root of 151015989 is about 12288.8562934066. The cubic root of 151015989 is about 532.5261967760.

The spelling of 151015989 in words is "one hundred fifty-one million, fifteen thousand, nine hundred eighty-nine".