Search a number
-
+
145196636 = 22134096827
BaseRepresentation
bin10001010011110…
…00011001011100
3101010012202100012
420221320121130
5244132243021
622224022352
73412102544
oct1051703134
9333182305
10145196636
1174a61422
12407619b8
1324109790
14153d8324
15cb3135b
hex8a7865c

145196636 has 24 divisors (see below), whose sum is σ = 274349040. Its totient is φ = 66840192.

The previous prime is 145196629. The next prime is 145196657. The reversal of 145196636 is 636691541.

It is a junction number, because it is equal to n+sod(n) for n = 145196593 and 145196602.

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 7 ways as a sum of consecutive naturals, for example, 17855 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (11431210).

Almost surely, 2145196636 is an apocalyptic number.

It is an amenable number.

145196636 is a deficient number, since it is larger than the sum of its proper divisors (129152404).

145196636 is a wasteful number, since it uses less digits than its factorization.

145196636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253 (or 7251 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 145196636 is about 12049.7566780413. The cubic root of 145196636 is about 525.5961614751.

The spelling of 145196636 in words is "one hundred forty-five million, one hundred ninety-six thousand, six hundred thirty-six".

Divisors: 1 2 4 13 26 52 409 818 1636 5317 6827 10634 13654 21268 27308 88751 177502 355004 2792243 5584486 11168972 36299159 72598318 145196636