151040531 has 8 divisors (see below), whose sum is σ = 154018800. Its totient is φ = 148076320.

The previous prime is 151040507. The next prime is 151040627. The reversal of 151040531 is 135040151.

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 151040531 - 2¹⁴ = 151024147 is a prime.

It is a super-2 number, since 2×151040531² = 45626484009523922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151040231) 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, 19661 + ... + 26241.

It is an arithmetic number, because the mean of its divisors is an integer number (19252350).

Almost surely, 2^151040531 is an apocalyptic number.

151040531 is a deficient number, since it is larger than the sum of its proper divisors (2978269).

151040531 is an equidigital number, since it uses as much as digits as its factorization.

151040531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7029.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151040531 is about 12289.8547997932. The cubic root of 151040531 is about 532.5550426178. Note that the first 3 decimals are identical.

Adding to 151040531 its reverse (135040151), we get a palindrome (286080682).

The spelling of 151040531 in words is "one hundred fifty-one million, forty thousand, five hundred thirty-one".