145861088720 has 40 divisors (see below), whose sum is σ = 339195480576. Its totient is φ = 58332659328.

The previous prime is 145861088699. The next prime is 145861088761. The reversal of 145861088720 is 27880168541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×145861088720² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220349 + ... + 583331.

Almost surely, 2^145861088720 is an apocalyptic number.

145861088720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145861088720 is an abundant number, since it is smaller than the sum of its proper divisors (193334391856).

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

145861088720 is a wasteful number, since it uses less digits than its factorization.

145861088720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368019 (or 368013 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 145861088720 in words is "one hundred forty-five billion, eight hundred sixty-one million, eighty-eight thousand, seven hundred twenty".