154354421204 has 12 divisors (see below), whose sum is σ = 270128694528. Its totient is φ = 77174794200.

The previous prime is 154354421201. The next prime is 154354421213. The reversal of 154354421204 is 402124453451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154354421201) 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, 456362 + ... + 719009.

It is an arithmetic number, because the mean of its divisors is an integer number (22510724544).

Almost surely, 2^154354421204 is an apocalyptic number.

It is an amenable number.

154354421204 is a deficient number, since it is larger than the sum of its proper divisors (115774273324).

154354421204 is a wasteful number, since it uses less digits than its factorization.

154354421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208206 (or 1208204 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 154354421204 its reverse (402124453451), we get a palindrome (556478874655).

The spelling of 154354421204 in words is "one hundred fifty-four billion, three hundred fifty-four million, four hundred twenty-one thousand, two hundred four".