150000631 has 4 divisors (see below), whose sum is σ = 163637064. Its totient is φ = 136364200.

The previous prime is 150000629. The next prime is 150000659. The reversal of 150000631 is 136000051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150000631 - 2¹ = 150000629 is a prime.

It is a super-2 number, since 2×150000631² = 45000378600796322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150000691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818200 + ... + 6818221.

It is an arithmetic number, because the mean of its divisors is an integer number (40909266).

Almost surely, 2^150000631 is an apocalyptic number.

150000631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

150000631 is a deficient number, since it is larger than the sum of its proper divisors (13636433).

150000631 is a wasteful number, since it uses less digits than its factorization.

150000631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13636432.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 150000631 is about 12247.4744743559. The cubic root of 150000631 is about 531.3300296320.

Adding to 150000631 its reverse (136000051), we get a palindrome (286000682).

The spelling of 150000631 in words is "one hundred fifty million, six hundred thirty-one", and thus it is an aban number.