154134574334420 has 12 divisors (see below), whose sum is σ = 323682606102324. Its totient is φ = 61653829733760.

The previous prime is 154134574334407. The next prime is 154134574334423. The reversal of 154134574334420 is 24433475431451.

It can be written as a sum of positive squares in 2 ways, for example, as 16040441522704 + 138094132811716 = 4005052^2 + 11751346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154134574334423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853364358341 + ... + 3853364358380.

It is an arithmetic number, because the mean of its divisors is an integer number (26973550508527).

Almost surely, 2^{154134574334420} is an apocalyptic number.

154134574334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154134574334420 is an abundant number, since it is smaller than the sum of its proper divisors (169548031767904).

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

154134574334420 is a wasteful number, since it uses less digits than its factorization.

154134574334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706728716730 (or 7706728716728 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 154134574334420 in words is "one hundred fifty-four trillion, one hundred thirty-four billion, five hundred seventy-four million, three hundred thirty-four thousand, four hundred twenty".