150451531 has 2 divisors, whose sum is σ = 150451532. Its totient is φ = 150451530.

The previous prime is 150451529. The next prime is 150451549. The reversal of 150451531 is 135154051.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150451531 - 2¹ = 150451529 is a prime.

It is a super-2 number, since 2×150451531² = 45271326360487922, which contains 22 as substring.

Together with 150451529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 150451496 and 150451505.

It is not a weakly prime, because it can be changed into another prime (150451571) 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 as a sum of consecutive naturals, namely, 75225765 + 75225766.

It is an arithmetic number, because the mean of its divisors is an integer number (75225766).

Almost surely, 2^150451531 is an apocalyptic number.

150451531 is a deficient number, since it is larger than the sum of its proper divisors (1).

150451531 is an equidigital number, since it uses as much as digits as its factorization.

150451531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 150451531 is about 12265.8685383466. The cubic root of 150451531 is about 531.8618875182.

It can be divided in two parts, 1504 and 51531, that added together give a palindrome (53035).

The spelling of 150451531 in words is "one hundred fifty million, four hundred fifty-one thousand, five hundred thirty-one".