154545252350420 has 12 divisors (see below), whose sum is σ = 324545029935924. Its totient is φ = 61818100940160.

The previous prime is 154545252350353. The next prime is 154545252350429. The reversal of 154545252350420 is 24053252545451.

It can be written as a sum of positive squares in 2 ways, for example, as 95622034937104 + 58923217413316 = 9778652^2 + 7676146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154545252350429) 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, 3863631308741 + ... + 3863631308780.

It is an arithmetic number, because the mean of its divisors is an integer number (27045419161327).

Almost surely, 2^{154545252350420} is an apocalyptic number.

154545252350420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154545252350420 is an abundant number, since it is smaller than the sum of its proper divisors (169999777585504).

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

154545252350420 is a wasteful number, since it uses less digits than its factorization.

154545252350420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727262617530 (or 7727262617528 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 154545252350420 in words is "one hundred fifty-four trillion, five hundred forty-five billion, two hundred fifty-two million, three hundred fifty thousand, four hundred twenty".