154230561428 has 24 divisors (see below), whose sum is σ = 271864645920. Its totient is φ = 76556976480.

The previous prime is 154230561427. The next prime is 154230561481. The reversal of 154230561428 is 824165032451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154230561427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51263 + ... + 557753.

It is an arithmetic number, because the mean of its divisors is an integer number (11327693580).

Almost surely, 2^154230561428 is an apocalyptic number.

It is an amenable number.

154230561428 is a deficient number, since it is larger than the sum of its proper divisors (117634084492).

154230561428 is a wasteful number, since it uses less digits than its factorization.

154230561428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507047 (or 507045 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 154230561428 its reverse (824165032451), we get a palindrome (978395593879).

The spelling of 154230561428 in words is "one hundred fifty-four billion, two hundred thirty million, five hundred sixty-one thousand, four hundred twenty-eight".