145313000 has 64 divisors (see below), whose sum is σ = 388627200. Its totient is φ = 49819200.

The previous prime is 145312933. The next prime is 145313009. The reversal of 145313000 is 313541.

It is a super-2 number, since 2×145313000² = 42231735938000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145313000.

It is not an unprimeable number, because it can be changed into a prime (145313009) 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, 3380 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (6072300).

Almost surely, 2^145313000 is an apocalyptic number.

145313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145313000 is an abundant number, since it is smaller than the sum of its proper divisors (243314200).

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

145313000 is a wasteful number, since it uses less digits than its factorization.

145313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20787 (or 20773 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 145313000 is about 12054.5841902572. The cubic root of 145313000 is about 525.7365323593.

Adding to 145313000 its reverse (313541), we get a palindrome (145626541).

The spelling of 145313000 in words is "one hundred forty-five million, three hundred thirteen thousand".