154342031 has 16 divisors (see below), whose sum is σ = 172679040. Its totient is φ = 137249280.

The previous prime is 154342021. The next prime is 154342033. The reversal of 154342031 is 130243451.

It is a cyclic number.

It is not a de Polignac number, because 154342031 - 2²² = 150147727 is a prime.

It is a super-2 number, since 2×154342031² = 47642925066409922, 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 = 154341988 and 154342006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154342033) 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 15 ways as a sum of consecutive naturals, for example, 19841 + ... + 26501.

It is an arithmetic number, because the mean of its divisors is an integer number (10792440).

Almost surely, 2^154342031 is an apocalyptic number.

154342031 is a deficient number, since it is larger than the sum of its proper divisors (18337009).

154342031 is a wasteful number, since it uses less digits than its factorization.

154342031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 154342031 is about 12423.4468244525. The cubic root of 154342031 is about 536.4073708917.

Adding to 154342031 its reverse (130243451), we get a palindrome (284585482).

It can be divided in two parts, 1543420 and 31, that added together give a palindrome (1543451).

The spelling of 154342031 in words is "one hundred fifty-four million, three hundred forty-two thousand, thirty-one".