145017580 has 12 divisors (see below), whose sum is σ = 304536960. Its totient is φ = 58007024.

The previous prime is 145017559. The next prime is 145017581. The reversal of 145017580 is 85710541.

It is not an unprimeable number, because it can be changed into a prime (145017581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3625420 + ... + 3625459.

It is an arithmetic number, because the mean of its divisors is an integer number (25378080).

Almost surely, 2^145017580 is an apocalyptic number.

145017580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145017580 is an abundant number, since it is smaller than the sum of its proper divisors (159519380).

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

145017580 is a wasteful number, since it uses less digits than its factorization.

145017580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250888 (or 7250886 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 145017580 is about 12042.3245264359. The cubic root of 145017580 is about 525.3800181326.

The spelling of 145017580 in words is "one hundred forty-five million, seventeen thousand, five hundred eighty".