150000251 has 8 divisors (see below), whose sum is σ = 151734384. Its totient is φ = 148271200.

The previous prime is 150000199. The next prime is 150000271. The reversal of 150000251 is 152000051.

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 150000251 - 2⁶ = 150000187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150000271) 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, 116825 + ... + 118101.

It is an arithmetic number, because the mean of its divisors is an integer number (18966798).

Almost surely, 2^150000251 is an apocalyptic number.

150000251 is a deficient number, since it is larger than the sum of its proper divisors (1734133).

150000251 is a wasteful number, since it uses less digits than its factorization.

150000251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 150000251 is about 12247.4589609437. The cubic root of 150000251 is about 531.3295809548.

The spelling of 150000251 in words is "one hundred fifty million, two hundred fifty-one", and thus it is an aban number.