Search a number
-
+
145113455 = 597433691
BaseRepresentation
bin10001010011001…
…00000101101111
3101010001112020102
420221210011233
5244122112310
622222141315
73411305204
oct1051440557
9333045212
10145113455
1174a04983
124072183b
13240aa966
14153b5cab
15cb168a5
hex8a6416f

145113455 has 16 divisors (see below), whose sum is σ = 176592864. Its totient is φ = 114462720.

The previous prime is 145113443. The next prime is 145113457. The reversal of 145113455 is 554311541.

It is not a de Polignac number, because 145113455 - 24 = 145113439 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 (145113457) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 209660 + ... + 210350.

It is an arithmetic number, because the mean of its divisors is an integer number (11037054).

Almost surely, 2145113455 is an apocalyptic number.

145113455 is a deficient number, since it is larger than the sum of its proper divisors (31479409).

145113455 is an equidigital number, since it uses as much as digits as its factorization.

145113455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its digits is 6000, while the sum is 29.

The square root of 145113455 is about 12046.3046200899. The cubic root of 145113455 is about 525.4957735530.

Adding to 145113455 its reverse (554311541), we get a palindrome (699424996).

The spelling of 145113455 in words is "one hundred forty-five million, one hundred thirteen thousand, four hundred fifty-five".

Divisors: 1 5 97 433 485 691 2165 3455 42001 67027 210005 299203 335135 1496015 29022691 145113455