154431013 has 8 divisors (see below), whose sum is σ = 169144416. Its totient is φ = 139830000.

The previous prime is 154430999. The next prime is 154431023. The reversal of 154431013 is 310134451.

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 154431013 - 2¹⁷ = 154299941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154431023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25206 + ... + 30727.

It is an arithmetic number, because the mean of its divisors is an integer number (21143052).

Almost surely, 2^154431013 is an apocalyptic number.

It is an amenable number.

154431013 is a deficient number, since it is larger than the sum of its proper divisors (14713403).

154431013 is a wasteful number, since it uses less digits than its factorization.

154431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56195.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 154431013 is about 12427.0275206905. The cubic root of 154431013 is about 536.5104351287.

Adding to 154431013 its reverse (310134451), we get a palindrome (464565464).

The spelling of 154431013 in words is "one hundred fifty-four million, four hundred thirty-one thousand, thirteen".