155345200531420 has 24 divisors (see below), whose sum is σ = 340408613339424. Its totient is φ = 59436424550976.

The previous prime is 155345200531357. The next prime is 155345200531513. The reversal of 155345200531420 is 24135002543551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168853478379 + ... + 168853479298.

It is an arithmetic number, because the mean of its divisors is an integer number (14183692222476).

Almost surely, 2^{155345200531420} is an apocalyptic number.

155345200531420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155345200531420 is an abundant number, since it is smaller than the sum of its proper divisors (185063412808004).

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

155345200531420 is a wasteful number, since it uses less digits than its factorization.

155345200531420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337706957709 (or 337706957707 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 155345200531420 in words is "one hundred fifty-five trillion, three hundred forty-five billion, two hundred million, five hundred thirty-one thousand, four hundred twenty".