154352434 has 4 divisors (see below), whose sum is σ = 231528654. Its totient is φ = 77176216.

The previous prime is 154352431. The next prime is 154352449. The reversal of 154352434 is 434253451.

154352434 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 434253451 = 4177 ⋅103963.

It can be written as a sum of positive squares in only one way, i.e., 119836809 + 34515625 = 10947^2 + 5875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154352396 and 154352405.

It is not an unprimeable number, because it can be changed into a prime (154352431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38588107 + ... + 38588110.

Almost surely, 2^154352434 is an apocalyptic number.

154352434 is a deficient number, since it is larger than the sum of its proper divisors (77176220).

154352434 is an equidigital number, since it uses as much as digits as its factorization.

154352434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77176219.

The product of its digits is 28800, while the sum is 31.

The square root of 154352434 is about 12423.8655015257. The cubic root of 154352434 is about 536.4194223087.

The spelling of 154352434 in words is "one hundred fifty-four million, three hundred fifty-two thousand, four hundred thirty-four".