154544134 has 4 divisors (see below), whose sum is σ = 231816204. Its totient is φ = 77272066.

The previous prime is 154544113. The next prime is 154544149. The reversal of 154544134 is 431445451.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 154544096 and 154544105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38636032 + ... + 38636035.

It is an arithmetic number, because the mean of its divisors is an integer number (57954051).

Almost surely, 2^154544134 is an apocalyptic number.

154544134 is a deficient number, since it is larger than the sum of its proper divisors (77272070).

154544134 is an equidigital number, since it uses as much as digits as its factorization.

154544134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77272069.

The product of its digits is 19200, while the sum is 31.

The square root of 154544134 is about 12431.5780977316. The cubic root of 154544134 is about 536.6414014485.

Adding to 154544134 its reverse (431445451), we get a palindrome (585989585).

The spelling of 154544134 in words is "one hundred fifty-four million, five hundred forty-four thousand, one hundred thirty-four".