145099760 has 160 divisors (see below), whose sum is σ = 399349440. Its totient is φ = 48513024.

The previous prime is 145099741. The next prime is 145099783. The reversal of 145099760 is 67990541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512579 + ... + 512861.

It is an arithmetic number, because the mean of its divisors is an integer number (2495934).

Almost surely, 2^145099760 is an apocalyptic number.

145099760 is a gapful number since it is divisible by the number (10) 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 145099760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199674720).

145099760 is an abundant number, since it is smaller than the sum of its proper divisors (254249680).

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

145099760 is a wasteful number, since it uses less digits than its factorization.

145099760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 145099760 is about 12045.7361750953. The cubic root of 145099760 is about 525.4792419111.

The spelling of 145099760 in words is "one hundred forty-five million, ninety-nine thousand, seven hundred sixty".