154542213 has 12 divisors (see below), whose sum is σ = 255117408. Its totient is φ = 88309800.

The previous prime is 154542203. The next prime is 154542233. The reversal of 154542213 is 312245451.

It is not a de Polignac number, because 154542213 - 2⁶ = 154542149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154542203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226463 + ... + 1226588.

It is an arithmetic number, because the mean of its divisors is an integer number (21259784).

Almost surely, 2^154542213 is an apocalyptic number.

It is an amenable number.

154542213 is a deficient number, since it is larger than the sum of its proper divisors (100575195).

154542213 is a wasteful number, since it uses less digits than its factorization.

154542213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453064 (or 2453061 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 154542213 is about 12431.5008345734. The cubic root of 154542213 is about 536.6391779361.

Adding to 154542213 its reverse (312245451), we get a palindrome (466787664).

The spelling of 154542213 in words is "one hundred fifty-four million, five hundred forty-two thousand, two hundred thirteen".