154421140353 has 4 divisors (see below), whose sum is σ = 205894853808. Its totient is φ = 102947426900.

The previous prime is 154421140331. The next prime is 154421140387. The reversal of 154421140353 is 353041124451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154421140353 - 2¹³ = 154421132161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154428140353) 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, 25736856723 + ... + 25736856728.

It is an arithmetic number, because the mean of its divisors is an integer number (51473713452).

Almost surely, 2^154421140353 is an apocalyptic number.

It is an amenable number.

154421140353 is a deficient number, since it is larger than the sum of its proper divisors (51473713455).

154421140353 is an equidigital number, since it uses as much as digits as its factorization.

154421140353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51473713454.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 154421140353 in words is "one hundred fifty-four billion, four hundred twenty-one million, one hundred forty thousand, three hundred fifty-three".