145355000 has 80 divisors (see below), whose sum is σ = 389312880. Its totient is φ = 49824000.

The previous prime is 145354999. The next prime is 145355027. The reversal of 145355000 is 553541.

145355000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145355000² = 42256152050000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32924 + ... + 37076.

It is an arithmetic number, because the mean of its divisors is an integer number (4866411).

Almost surely, 2^145355000 is an apocalyptic number.

145355000 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 145355000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194656440).

145355000 is an abundant number, since it is smaller than the sum of its proper divisors (243957880).

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

145355000 is an equidigital number, since it uses as much as digits as its factorization.

145355000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 145355000 is about 12056.3261402469. The cubic root of 145355000 is about 525.7871789115.

The spelling of 145355000 in words is "one hundred forty-five million, three hundred fifty-five thousand".