[go: up one dir, main page]

Search a number
-
+
145460245 = 5717244471
BaseRepresentation
bin10001010101110…
…00110000010101
3101010201010221111
420222320300111
5244214211440
622233415021
73414251230
oct1052706025
9333633844
10145460245
1175121487
124086a471
132419c768
1415466417
15cb844ea
hex8ab8c15

145460245 has 16 divisors (see below), whose sum is σ = 211223808. Its totient is φ = 93876480.

The previous prime is 145460243. The next prime is 145460291. The reversal of 145460245 is 542064541.

It is a happy number.

It is not a de Polignac number, because 145460245 - 21 = 145460243 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 (145460243) 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, 121641 + ... + 122830.

It is an arithmetic number, because the mean of its divisors is an integer number (13201488).

Almost surely, 2145460245 is an apocalyptic number.

It is an amenable number.

145460245 is a deficient number, since it is larger than the sum of its proper divisors (65763563).

145460245 is a wasteful number, since it uses less digits than its factorization.

145460245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244500.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 145460245 is about 12060.6900714677. The cubic root of 145460245 is about 525.9140478908.

The spelling of 145460245 in words is "one hundred forty-five million, four hundred sixty thousand, two hundred forty-five".

Divisors: 1 5 7 17 35 85 119 595 244471 1222355 1711297 4156007 8556485 20780035 29092049 145460245