154202434 has 8 divisors (see below), whose sum is σ = 231402240. Its totient is φ = 77068356.

The previous prime is 154202413. The next prime is 154202437. The reversal of 154202434 is 434202451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 154202399 and 154202408.

It is not an unprimeable number, because it can be changed into a prime (154202437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10074 + ... + 20245.

It is an arithmetic number, because the mean of its divisors is an integer number (28925280).

Almost surely, 2^154202434 is an apocalyptic number.

154202434 is a deficient number, since it is larger than the sum of its proper divisors (77199806).

154202434 is a wasteful number, since it uses less digits than its factorization.

154202434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32864.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 154202434 is about 12417.8272656693. The cubic root of 154202434 is about 536.2456015056.

Adding to 154202434 its reverse (434202451), we get a palindrome (588404885).

The spelling of 154202434 in words is "one hundred fifty-four million, two hundred two thousand, four hundred thirty-four".