154430145443420 has 96 divisors (see below), whose sum is σ = 404329719306240. Its totient is φ = 48133652221440.

The previous prime is 154430145443393. The next prime is 154430145443443. The reversal of 154430145443420 is 24344541034451.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209159261 + ... + 209896299.

It is an arithmetic number, because the mean of its divisors is an integer number (4211767909440).

Almost surely, 2^{154430145443420} is an apocalyptic number.

154430145443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154430145443420 is an abundant number, since it is smaller than the sum of its proper divisors (249899573862820).

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

154430145443420 is a wasteful number, since it uses less digits than its factorization.

154430145443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873123 (or 873121 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 154430145443420 its reverse (24344541034451), we get a palindrome (178774686477871).

The spelling of 154430145443420 in words is "one hundred fifty-four trillion, four hundred thirty billion, one hundred forty-five million, four hundred forty-three thousand, four hundred twenty".