145559760 has 160 divisors (see below), whose sum is σ = 480504960. Its totient is φ = 36347904.

The previous prime is 145559749. The next prime is 145559761. The reversal of 145559760 is 67955541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145559761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624604 + ... + 624836.

It is an arithmetic number, because the mean of its divisors is an integer number (3003156).

Almost surely, 2^145559760 is an apocalyptic number.

145559760 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 145559760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240252480).

145559760 is an abundant number, since it is smaller than the sum of its proper divisors (334945200).

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

145559760 is a wasteful number, since it uses less digits than its factorization.

145559760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 145559760 is about 12064.8149592109. The cubic root of 145559760 is about 526.0339532893.

The spelling of 145559760 in words is "one hundred forty-five million, five hundred fifty-nine thousand, seven hundred sixty".