154130531 has 8 divisors (see below), whose sum is σ = 158808384. Its totient is φ = 149511040.

The previous prime is 154130507. The next prime is 154130549. The reversal of 154130531 is 135031451.

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 154130531 - 2²⁶ = 87021667 is a prime.

It is a super-2 number, since 2×154130531² = 47512441172683922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154130497 and 154130506.

It is not an unprimeable number, because it can be changed into a prime (154130131) 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, 9200 + ... + 19821.

It is an arithmetic number, because the mean of its divisors is an integer number (19851048).

Almost surely, 2^154130531 is an apocalyptic number.

154130531 is a deficient number, since it is larger than the sum of its proper divisors (4677853).

154130531 is a wasteful number, since it uses less digits than its factorization.

154130531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 154130531 is about 12414.9317758899. The cubic root of 154130531 is about 536.1622399549.

Adding to 154130531 its reverse (135031451), we get a palindrome (289161982).

The spelling of 154130531 in words is "one hundred fifty-four million, one hundred thirty thousand, five hundred thirty-one".