145559580 has 48 divisors (see below), whose sum is σ = 408167424. Its totient is φ = 38758720.

The previous prime is 145559543. The next prime is 145559587. The reversal of 145559580 is 85955541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145559587) 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, 53329 + ... + 55991.

It is an arithmetic number, because the mean of its divisors is an integer number (8503488).

Almost surely, 2^145559580 is an apocalyptic number.

145559580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145559580 is an abundant number, since it is smaller than the sum of its proper divisors (262607844).

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

145559580 is a wasteful number, since it uses less digits than its factorization.

145559580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 145559580 is about 12064.8074995004. The cubic root of 145559580 is about 526.0337364570.

The spelling of 145559580 in words is "one hundred forty-five million, five hundred fifty-nine thousand, five hundred eighty".