145234244202544 has 80 divisors (see below), whose sum is σ = 330324575596288. Its totient is φ = 60553142597376.

The previous prime is 145234244202491. The next prime is 145234244202557. The reversal of 145234244202544 is 445202442432541.

It is a junction number, because it is equal to n+sod(n) for n = 145234244202494 and 145234244202503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29735119 + ... + 34273105.

Almost surely, 2^{145234244202544} is an apocalyptic number.

145234244202544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145234244202544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165162287798144).

145234244202544 is an abundant number, since it is smaller than the sum of its proper divisors (185090331393744).

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

145234244202544 is a wasteful number, since it uses less digits than its factorization.

145234244202544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545762 (or 4545756 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 46.

The spelling of 145234244202544 in words is "one hundred forty-five trillion, two hundred thirty-four billion, two hundred forty-four million, two hundred two thousand, five hundred forty-four".