145562561232 has 80 divisors (see below), whose sum is σ = 410500958400. Its totient is φ = 44079846400.

The previous prime is 145562561219. The next prime is 145562561233. The reversal of 145562561232 is 232165265541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145562561233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688894 + ... + 875042.

It is an arithmetic number, because the mean of its divisors is an integer number (5131261980).

Almost surely, 2^145562561232 is an apocalyptic number.

145562561232 is a gapful number since it is divisible by the number (12) 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 145562561232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205250479200).

145562561232 is an abundant number, since it is smaller than the sum of its proper divisors (264938397168).

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

145562561232 is a wasteful number, since it uses less digits than its factorization.

145562561232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187652 (or 187646 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The spelling of 145562561232 in words is "one hundred forty-five billion, five hundred sixty-two million, five hundred sixty-one thousand, two hundred thirty-two".