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145233000 = 23345311163
BaseRepresentation
bin10001010100000…
…01010001101000
3101010021121020000
420222001101220
5244134424000
622224503000
73412313553
oct1052012150
9333247200
10145233000
1174a86780
124077aa60
13241201b3
141540769a
15cb3c000
hex8a81468

145233000 has 320 divisors, whose sum is σ = 557219520. Its totient is φ = 34992000.

The previous prime is 145232953. The next prime is 145233031. The reversal of 145233000 is 332541.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 890919 + ... + 891081.

It is an arithmetic number, because the mean of its divisors is an integer number (1741311).

Almost surely, 2145233000 is an apocalyptic number.

145233000 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 145233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278609760).

145233000 is an abundant number, since it is smaller than the sum of its proper divisors (411986520).

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

145233000 is a wasteful number, since it uses less digits than its factorization.

145233000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 145233000 is about 12051.2654937148. The cubic root of 145233000 is about 525.6400357319.

Adding to 145233000 its reverse (332541), we get a palindrome (145565541).

The spelling of 145233000 in words is "one hundred forty-five million, two hundred thirty-three thousand".