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145270106 = 2292504657
BaseRepresentation
bin10001010100010…
…10010101011010
3101010100111010022
420222022111122
5244142120411
622225350442
73412530002
oct1052122532
9333314108
10145270106
1175001643
1240798422
1324134057
1415417002
15cb47edb
hex8a8a55a

145270106 has 8 divisors (see below), whose sum is σ = 225419220. Its totient is φ = 70130368.

The previous prime is 145270087. The next prime is 145270109. The reversal of 145270106 is 601072541.

It can be written as a sum of positive squares in 2 ways, for example, as 138274081 + 6996025 = 11759^2 + 2645^2 .

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

It is a super-2 number, since 2×1452701062 = 42206807394502472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145270109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252271 + ... + 1252386.

Almost surely, 2145270106 is an apocalyptic number.

145270106 is a deficient number, since it is larger than the sum of its proper divisors (80149114).

145270106 is a wasteful number, since it uses less digits than its factorization.

145270106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504688.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 145270106 is about 12052.8049017646. The cubic root of 145270106 is about 525.6847976852.

The spelling of 145270106 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred six".

Divisors: 1 2 29 58 2504657 5009314 72635053 145270106