Search a number
-
+
145201406 = 2722336359
BaseRepresentation
bin10001010011110…
…01100011111110
3101010012222212212
420221321203332
5244132421111
622224100422
73412122500
oct1051714376
9333188785
10145201406
1174a64a69
1240764712
132410b9bc
14153d9d70
15cb3298b
hex8a798fe

145201406 has 24 divisors (see below), whose sum is σ = 254489040. Its totient is φ = 61952352.

The previous prime is 145201393. The next prime is 145201409. The reversal of 145201406 is 604102541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19655 + ... + 26013.

It is an arithmetic number, because the mean of its divisors is an integer number (10603710).

Almost surely, 2145201406 is an apocalyptic number.

145201406 is a deficient number, since it is larger than the sum of its proper divisors (109287634).

145201406 is a wasteful number, since it uses less digits than its factorization.

145201406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6601 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145201406 is about 12049.9546057236. The cubic root of 145201406 is about 525.6019170406.

Adding to 145201406 its reverse (604102541), we get a palindrome (749303947).

The spelling of 145201406 in words is "one hundred forty-five million, two hundred one thousand, four hundred six".

Divisors: 1 2 7 14 49 98 233 466 1631 3262 6359 11417 12718 22834 44513 89026 311591 623182 1481647 2963294 10371529 20743058 72600703 145201406