145027578 has 32 divisors (see below), whose sum is σ = 314616960. Its totient is φ = 44387840.

The previous prime is 145027543. The next prime is 145027583. The reversal of 145027578 is 875720541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13158 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (9831780).

Almost surely, 2^145027578 is an apocalyptic number.

145027578 is an abundant number, since it is smaller than the sum of its proper divisors (169589382).

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

145027578 is a wasteful number, since it uses less digits than its factorization.

145027578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34742.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 145027578 is about 12042.7396384710. The cubic root of 145027578 is about 525.3920916773.

The spelling of 145027578 in words is "one hundred forty-five million, twenty-seven thousand, five hundred seventy-eight".