145086556 has 24 divisors (see below), whose sum is σ = 260124480. Its totient is φ = 70775232.

The previous prime is 145086547. The next prime is 145086559. The reversal of 145086556 is 655680541.

It is a super-3 number, since 3×145086556³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145086559) 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 7 ways as a sum of consecutive naturals, for example, 69090 + ... + 71158.

It is an arithmetic number, because the mean of its divisors is an integer number (10838520).

Almost surely, 2^145086556 is an apocalyptic number.

It is an amenable number.

145086556 is a deficient number, since it is larger than the sum of its proper divisors (115037924).

145086556 is a wasteful number, since it uses less digits than its factorization.

145086556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2491 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 145086556 is about 12045.1880848744. The cubic root of 145086556 is about 525.4633019849.

The spelling of 145086556 in words is "one hundred forty-five million, eighty-six thousand, five hundred fifty-six".