154542131 has 8 divisors (see below), whose sum is σ = 160010400. Its totient is φ = 149083200.

The previous prime is 154542103. The next prime is 154542137. The reversal of 154542131 is 131245451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154542131 - 2¹⁴ = 154525747 is a prime.

It is a super-2 number, since 2×154542131² = 47766540508042322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154542131.

It is not an unprimeable number, because it can be changed into a prime (154542137) 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, 59306 + ... + 61856.

It is an arithmetic number, because the mean of its divisors is an integer number (20001300).

Almost surely, 2^154542131 is an apocalyptic number.

154542131 is a deficient number, since it is larger than the sum of its proper divisors (5468269).

154542131 is a wasteful number, since it uses less digits than its factorization.

154542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669.

The product of its digits is 2400, while the sum is 26.

The square root of 154542131 is about 12431.4975364998. The cubic root of 154542131 is about 536.6390830226.

Adding to 154542131 its reverse (131245451), we get a palindrome (285787582).

The spelling of 154542131 in words is "one hundred fifty-four million, five hundred forty-two thousand, one hundred thirty-one".