Search a number
-
+
145633055 = 5137433491
BaseRepresentation
bin10001010111000…
…10111100011111
3101011000220222212
420223202330133
5244240224210
622241231035
73415601111
oct1053427437
9334026885
10145633055
117522a2a7
124093247b
1324230309
14154ad3b1
15cbba805
hex8ae2f1f

145633055 has 16 divisors (see below), whose sum is σ = 176801184. Its totient is φ = 115153920.

The previous prime is 145633051. The next prime is 145633057. The reversal of 145633055 is 550336541.

It is not a de Polignac number, because 145633055 - 22 = 145633051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145633051) 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, 296360 + ... + 296850.

It is an arithmetic number, because the mean of its divisors is an integer number (11050074).

Almost surely, 2145633055 is an apocalyptic number.

145633055 is a deficient number, since it is larger than the sum of its proper divisors (31168129).

145633055 is a wasteful number, since it uses less digits than its factorization.

145633055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 145633055 is about 12067.8521286930. The cubic root of 145633055 is about 526.1222313248.

Adding to 145633055 its reverse (550336541), we get a palindrome (695969596).

The spelling of 145633055 in words is "one hundred forty-five million, six hundred thirty-three thousand, fifty-five".

Divisors: 1 5 137 433 491 685 2165 2455 59321 67267 212603 296605 336335 1063015 29126611 145633055