Search a number
-
+
145270843 = 374783537
BaseRepresentation
bin10001010100010…
…10100000111011
3101010100112010121
420222022200323
5244142131333
622225354111
73412532104
oct1052124073
9333315117
10145270843
1175002153
1240798937
13241344a3
14154173ab
15cb4832d
hex8a8a83b

145270843 has 8 divisors (see below), whose sum is σ = 152373312. Its totient is φ = 138335616.

The previous prime is 145270837. The next prime is 145270849. The reversal of 145270843 is 348072541.

It is an interprime number because it is at equal distance from previous prime (145270837) and next prime (145270849).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145270843 - 221 = 143173691 is a prime.

It is a super-2 number, since 2×1452708432 = 42207235651861298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145270799 and 145270808.

It is not an unprimeable number, because it can be changed into a prime (145270849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40030 + ... + 43507.

It is an arithmetic number, because the mean of its divisors is an integer number (19046664).

Almost surely, 2145270843 is an apocalyptic number.

145270843 is a deficient number, since it is larger than the sum of its proper divisors (7102469).

145270843 is an equidigital number, since it uses as much as digits as its factorization.

145270843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83621.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 145270843 is about 12052.8354755219. The cubic root of 145270843 is about 525.6856866707.

The spelling of 145270843 in words is "one hundred forty-five million, two hundred seventy thousand, eight hundred forty-three".

Divisors: 1 37 47 1739 83537 3090869 3926239 145270843