154213207434 has 72 divisors (see below), whose sum is σ = 394699623552. Its totient is φ = 43136552160.

The previous prime is 154213207429. The next prime is 154213207471. The reversal of 154213207434 is 434702312451.

154213207434 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 13 + 207 + 434 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2270842 + ... + 2337765.

It is an arithmetic number, because the mean of its divisors is an integer number (5481939216).

Almost surely, 2^154213207434 is an apocalyptic number.

154213207434 is an abundant number, since it is smaller than the sum of its proper divisors (240486416118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154213207434 is a wasteful number, since it uses less digits than its factorization.

154213207434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608652 (or 4608636 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 154213207434 its reverse (434702312451), we get a palindrome (588915519885).

The spelling of 154213207434 in words is "one hundred fifty-four billion, two hundred thirteen million, two hundred seven thousand, four hundred thirty-four".