145535500420 has 24 divisors (see below), whose sum is σ = 321710054400. Its totient is φ = 55150294752.

The previous prime is 145535500417. The next prime is 145535500433. The reversal of 145535500420 is 24005535541.

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, 191493700 + ... + 191494459.

It is an arithmetic number, because the mean of its divisors is an integer number (13404585600).

Almost surely, 2^145535500420 is an apocalyptic number.

145535500420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145535500420 is an abundant number, since it is smaller than the sum of its proper divisors (176174553980).

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

145535500420 is a wasteful number, since it uses less digits than its factorization.

145535500420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382988187 (or 382988185 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 145535500420 in words is "one hundred forty-five billion, five hundred thirty-five million, five hundred thousand, four hundred twenty".