151550531 has 8 divisors (see below), whose sum is σ = 165859824. Its totient is φ = 137329920.

The previous prime is 151550489. The next prime is 151550543. The reversal of 151550531 is 135055151.

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 151550531 - 2⁶ = 151550467 is a prime.

It is a super-2 number, since 2×151550531² = 45935126892763922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151550531.

It is not an unprimeable number, because it can be changed into a prime (151550551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18566 + ... + 25451.

It is an arithmetic number, because the mean of its divisors is an integer number (20732478).

Almost surely, 2^151550531 is an apocalyptic number.

151550531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151550531 is a deficient number, since it is larger than the sum of its proper divisors (14309293).

151550531 is a wasteful number, since it uses less digits than its factorization.

151550531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44341.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 151550531 is about 12310.5861355177. The cubic root of 151550531 is about 533.1537736248.

The spelling of 151550531 in words is "one hundred fifty-one million, five hundred fifty thousand, five hundred thirty-one".