154545134 has 4 divisors (see below), whose sum is σ = 231817704. Its totient is φ = 77272566.

The previous prime is 154545133. The next prime is 154545143. The reversal of 154545134 is 431545451.

154545134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 154545134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154545133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38636282 + ... + 38636285.

It is an arithmetic number, because the mean of its divisors is an integer number (57954426).

Almost surely, 2^154545134 is an apocalyptic number.

154545134 is a deficient number, since it is larger than the sum of its proper divisors (77272570).

154545134 is an equidigital number, since it uses as much as digits as its factorization.

154545134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77272569.

The product of its digits is 24000, while the sum is 32.

The square root of 154545134 is about 12431.6183178217. The cubic root of 154545134 is about 536.6425589178.

The spelling of 154545134 in words is "one hundred fifty-four million, five hundred forty-five thousand, one hundred thirty-four".