145671000 has 128 divisors (see below), whose sum is σ = 462758400. Its totient is φ = 38140800.

The previous prime is 145670969. The next prime is 145671013. The reversal of 145671000 is 176541.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 176589 + ... + 177411.

It is an arithmetic number, because the mean of its divisors is an integer number (3615300).

Almost surely, 2^145671000 is an apocalyptic number.

145671000 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 145671000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231379200).

145671000 is an abundant number, since it is smaller than the sum of its proper divisors (317087400).

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

145671000 is a wasteful number, since it uses less digits than its factorization.

145671000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 145671000 is about 12069.4241784768. The cubic root of 145671000 is about 526.1679214429.

The spelling of 145671000 in words is "one hundred forty-five million, six hundred seventy-one thousand".